Home / 3,146.95-4,342.44-1,888.06

Finding the Fourth Proportional to 3,146.95, 4,342.44 and 1,888.06

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Solution

The fourth proportional to 3,146.95, 4,342.44 and 1,888.06 is: 2,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.95 : 4,342.44 = 1,888.06 : x
  2. Step 2: Convert to fraction form
    3,146.95/4,342.44 = 1,888.06/x
  3. Step 3: Cross multiply
    3,146.95x = 4,342.44 × 1,888.06
  4. Step 4: Simplify right side
    3,146.95x = 8,198,776.41
  5. Step 5: Solve for x
    x = 8,198,776.41/3,146.95
  6. Step 6: Final answer
    x = 2,605.31

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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.