Home / 3,931.57-5,897.38-1,158.28

Finding the Fourth Proportional to 3,931.57, 5,897.38 and 1,158.28

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Solution

The fourth proportional to 3,931.57, 5,897.38 and 1,158.28 is: 1,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.57 : 5,897.38 = 1,158.28 : x
  2. Step 2: Convert to fraction form
    3,931.57/5,897.38 = 1,158.28/x
  3. Step 3: Cross multiply
    3,931.57x = 5,897.38 × 1,158.28
  4. Step 4: Simplify right side
    3,931.57x = 6,830,817.31
  5. Step 5: Solve for x
    x = 6,830,817.31/3,931.57
  6. Step 6: Final answer
    x = 1,737.43

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1.5x scale

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.