Home / 3,215.04-4,436.34-1,888.86

Finding the Fourth Proportional to 3,215.04, 4,436.34 and 1,888.86

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Solution

The fourth proportional to 3,215.04, 4,436.34 and 1,888.86 is: 2,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.04 : 4,436.34 = 1,888.86 : x
  2. Step 2: Convert to fraction form
    3,215.04/4,436.34 = 1,888.86/x
  3. Step 3: Cross multiply
    3,215.04x = 4,436.34 × 1,888.86
  4. Step 4: Simplify right side
    3,215.04x = 8,379,625.17
  5. Step 5: Solve for x
    x = 8,379,625.17/3,215.04
  6. Step 6: Final answer
    x = 2,606.38

Related Problems

Find fourth proportional to 1,607.52, 2,218.17 and 944.43
Half scale
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Double scale
Find fourth proportional to 3,216.04, 4,437.72 and 1,889.86
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.