Home / 2,726.48-4,089.68-2,587.96

Finding the Fourth Proportional to 2,726.48, 4,089.68 and 2,587.96

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Solution

The fourth proportional to 2,726.48, 4,089.68 and 2,587.96 is: 3,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.48 : 4,089.68 = 2,587.96 : x
  2. Step 2: Convert to fraction form
    2,726.48/4,089.68 = 2,587.96/x
  3. Step 3: Cross multiply
    2,726.48x = 4,089.68 × 2,587.96
  4. Step 4: Simplify right side
    2,726.48x = 10,583,928.25
  5. Step 5: Solve for x
    x = 10,583,928.25/2,726.48
  6. Step 6: Final answer
    x = 3,881.90

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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.