Home / 3,925.31-5,414.36-2,509.43

Finding the Fourth Proportional to 3,925.31, 5,414.36 and 2,509.43

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Solution

The fourth proportional to 3,925.31, 5,414.36 and 2,509.43 is: 3,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.31 : 5,414.36 = 2,509.43 : x
  2. Step 2: Convert to fraction form
    3,925.31/5,414.36 = 2,509.43/x
  3. Step 3: Cross multiply
    3,925.31x = 5,414.36 × 2,509.43
  4. Step 4: Simplify right side
    3,925.31x = 13,586,917.80
  5. Step 5: Solve for x
    x = 13,586,917.80/3,925.31
  6. Step 6: Final answer
    x = 3,461.37

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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.