Home / 3,913.92-5,868.65-1,541.43

Finding the Fourth Proportional to 3,913.92, 5,868.65 and 1,541.43

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Solution

The fourth proportional to 3,913.92, 5,868.65 and 1,541.43 is: 2,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.92 : 5,868.65 = 1,541.43 : x
  2. Step 2: Convert to fraction form
    3,913.92/5,868.65 = 1,541.43/x
  3. Step 3: Cross multiply
    3,913.92x = 5,868.65 × 1,541.43
  4. Step 4: Simplify right side
    3,913.92x = 9,046,117.02
  5. Step 5: Solve for x
    x = 9,046,117.02/3,913.92
  6. Step 6: Final answer
    x = 2,311.27

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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.