Home / 3,385.76-5,079.44-1,077.26

Finding the Fourth Proportional to 3,385.76, 5,079.44 and 1,077.26

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Solution

The fourth proportional to 3,385.76, 5,079.44 and 1,077.26 is: 1,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.76 : 5,079.44 = 1,077.26 : x
  2. Step 2: Convert to fraction form
    3,385.76/5,079.44 = 1,077.26/x
  3. Step 3: Cross multiply
    3,385.76x = 5,079.44 × 1,077.26
  4. Step 4: Simplify right side
    3,385.76x = 5,471,877.53
  5. Step 5: Solve for x
    x = 5,471,877.53/3,385.76
  6. Step 6: Final answer
    x = 1,616.14

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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.