Home / 3,931.62-5,898.54-1,334.76

Finding the Fourth Proportional to 3,931.62, 5,898.54 and 1,334.76

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Solution

The fourth proportional to 3,931.62, 5,898.54 and 1,334.76 is: 2,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.62 : 5,898.54 = 1,334.76 : x
  2. Step 2: Convert to fraction form
    3,931.62/5,898.54 = 1,334.76/x
  3. Step 3: Cross multiply
    3,931.62x = 5,898.54 × 1,334.76
  4. Step 4: Simplify right side
    3,931.62x = 7,873,135.25
  5. Step 5: Solve for x
    x = 7,873,135.25/3,931.62
  6. Step 6: Final answer
    x = 2,002.52

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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.