Home / 2,651.16-3,658.32-1,531.92

Finding the Fourth Proportional to 2,651.16, 3,658.32 and 1,531.92

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Solution

The fourth proportional to 2,651.16, 3,658.32 and 1,531.92 is: 2,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.16 : 3,658.32 = 1,531.92 : x
  2. Step 2: Convert to fraction form
    2,651.16/3,658.32 = 1,531.92/x
  3. Step 3: Cross multiply
    2,651.16x = 3,658.32 × 1,531.92
  4. Step 4: Simplify right side
    2,651.16x = 5,604,253.57
  5. Step 5: Solve for x
    x = 5,604,253.57/2,651.16
  6. Step 6: Final answer
    x = 2,113.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.