Home / 3,931.96-5,897.85-1,158.56

Finding the Fourth Proportional to 3,931.96, 5,897.85 and 1,158.56

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Solution

The fourth proportional to 3,931.96, 5,897.85 and 1,158.56 is: 1,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.96 : 5,897.85 = 1,158.56 : x
  2. Step 2: Convert to fraction form
    3,931.96/5,897.85 = 1,158.56/x
  3. Step 3: Cross multiply
    3,931.96x = 5,897.85 × 1,158.56
  4. Step 4: Simplify right side
    3,931.96x = 6,833,013.10
  5. Step 5: Solve for x
    x = 6,833,013.10/3,931.96
  6. Step 6: Final answer
    x = 1,737.81

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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.