Home / 2,529.72-3,778.20-2,513.16

Finding the Fourth Proportional to 2,529.72, 3,778.20 and 2,513.16

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Solution

The fourth proportional to 2,529.72, 3,778.20 and 2,513.16 is: 3,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.72 : 3,778.20 = 2,513.16 : x
  2. Step 2: Convert to fraction form
    2,529.72/3,778.20 = 2,513.16/x
  3. Step 3: Cross multiply
    2,529.72x = 3,778.20 × 2,513.16
  4. Step 4: Simplify right side
    2,529.72x = 9,495,221.11
  5. Step 5: Solve for x
    x = 9,495,221.11/2,529.72
  6. Step 6: Final answer
    x = 3,753.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.