Home / 3,931.38-5,896.32-1,158.18

Finding the Fourth Proportional to 3,931.38, 5,896.32 and 1,158.18

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Solution

The fourth proportional to 3,931.38, 5,896.32 and 1,158.18 is: 1,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.38 : 5,896.32 = 1,158.18 : x
  2. Step 2: Convert to fraction form
    3,931.38/5,896.32 = 1,158.18/x
  3. Step 3: Cross multiply
    3,931.38x = 5,896.32 × 1,158.18
  4. Step 4: Simplify right side
    3,931.38x = 6,828,999.90
  5. Step 5: Solve for x
    x = 6,828,999.90/3,931.38
  6. Step 6: Final answer
    x = 1,737.05

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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.