Home / 3,935.24-5,904.32-1,742.40

Finding the Fourth Proportional to 3,935.24, 5,904.32 and 1,742.40

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Solution

The fourth proportional to 3,935.24, 5,904.32 and 1,742.40 is: 2,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.24 : 5,904.32 = 1,742.40 : x
  2. Step 2: Convert to fraction form
    3,935.24/5,904.32 = 1,742.40/x
  3. Step 3: Cross multiply
    3,935.24x = 5,904.32 × 1,742.40
  4. Step 4: Simplify right side
    3,935.24x = 10,287,687.17
  5. Step 5: Solve for x
    x = 10,287,687.17/3,935.24
  6. Step 6: Final answer
    x = 2,614.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.