Home / 2,630.61-3,947.54-1,537.11

Finding the Fourth Proportional to 2,630.61, 3,947.54 and 1,537.11

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Solution

The fourth proportional to 2,630.61, 3,947.54 and 1,537.11 is: 2,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.61 : 3,947.54 = 1,537.11 : x
  2. Step 2: Convert to fraction form
    2,630.61/3,947.54 = 1,537.11/x
  3. Step 3: Cross multiply
    2,630.61x = 3,947.54 × 1,537.11
  4. Step 4: Simplify right side
    2,630.61x = 6,067,795.52
  5. Step 5: Solve for x
    x = 6,067,795.52/2,630.61
  6. Step 6: Final answer
    x = 2,306.61

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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.