Home / 3,881.16-5,818.33-1,542.81

Finding the Fourth Proportional to 3,881.16, 5,818.33 and 1,542.81

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Solution

The fourth proportional to 3,881.16, 5,818.33 and 1,542.81 is: 2,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.16 : 5,818.33 = 1,542.81 : x
  2. Step 2: Convert to fraction form
    3,881.16/5,818.33 = 1,542.81/x
  3. Step 3: Cross multiply
    3,881.16x = 5,818.33 × 1,542.81
  4. Step 4: Simplify right side
    3,881.16x = 8,976,601.45
  5. Step 5: Solve for x
    x = 8,976,601.45/3,881.16
  6. Step 6: Final answer
    x = 2,312.87

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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.