Home / 3,730.16-5,143.92-2,314.28

Finding the Fourth Proportional to 3,730.16, 5,143.92 and 2,314.28

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Solution

The fourth proportional to 3,730.16, 5,143.92 and 2,314.28 is: 3,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.16 : 5,143.92 = 2,314.28 : x
  2. Step 2: Convert to fraction form
    3,730.16/5,143.92 = 2,314.28/x
  3. Step 3: Cross multiply
    3,730.16x = 5,143.92 × 2,314.28
  4. Step 4: Simplify right side
    3,730.16x = 11,904,471.18
  5. Step 5: Solve for x
    x = 11,904,471.18/3,730.16
  6. Step 6: Final answer
    x = 3,191.41

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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.