Home / 3,423.87-4,725.17-1,931.25

Finding the Fourth Proportional to 3,423.87, 4,725.17 and 1,931.25

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Solution

The fourth proportional to 3,423.87, 4,725.17 and 1,931.25 is: 2,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.87 : 4,725.17 = 1,931.25 : x
  2. Step 2: Convert to fraction form
    3,423.87/4,725.17 = 1,931.25/x
  3. Step 3: Cross multiply
    3,423.87x = 4,725.17 × 1,931.25
  4. Step 4: Simplify right side
    3,423.87x = 9,125,451.28
  5. Step 5: Solve for x
    x = 9,125,451.28/3,423.87
  6. Step 6: Final answer
    x = 2,665.24

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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.