Home / 3,216.51-4,439.00-1,800.34

Finding the Fourth Proportional to 3,216.51, 4,439.00 and 1,800.34

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Solution

The fourth proportional to 3,216.51, 4,439.00 and 1,800.34 is: 2,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.51 : 4,439.00 = 1,800.34 : x
  2. Step 2: Convert to fraction form
    3,216.51/4,439.00 = 1,800.34/x
  3. Step 3: Cross multiply
    3,216.51x = 4,439.00 × 1,800.34
  4. Step 4: Simplify right side
    3,216.51x = 7,991,702.66
  5. Step 5: Solve for x
    x = 7,991,702.66/3,216.51
  6. Step 6: Final answer
    x = 2,484.59

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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.