Home / 2,726.38-3,761.76-1,607.50

Finding the Fourth Proportional to 2,726.38, 3,761.76 and 1,607.50

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Solution

The fourth proportional to 2,726.38, 3,761.76 and 1,607.50 is: 2,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.38 : 3,761.76 = 1,607.50 : x
  2. Step 2: Convert to fraction form
    2,726.38/3,761.76 = 1,607.50/x
  3. Step 3: Cross multiply
    2,726.38x = 3,761.76 × 1,607.50
  4. Step 4: Simplify right side
    2,726.38x = 6,047,029.20
  5. Step 5: Solve for x
    x = 6,047,029.20/2,726.38
  6. Step 6: Final answer
    x = 2,217.97

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1.5x scale

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.