Home / 3,916.55-5,874.71-1,451.32

Finding the Fourth Proportional to 3,916.55, 5,874.71 and 1,451.32

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Solution

The fourth proportional to 3,916.55, 5,874.71 and 1,451.32 is: 2,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.55 : 5,874.71 = 1,451.32 : x
  2. Step 2: Convert to fraction form
    3,916.55/5,874.71 = 1,451.32/x
  3. Step 3: Cross multiply
    3,916.55x = 5,874.71 × 1,451.32
  4. Step 4: Simplify right side
    3,916.55x = 8,526,062.17
  5. Step 5: Solve for x
    x = 8,526,062.17/3,916.55
  6. Step 6: Final answer
    x = 2,176.93

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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.