Home / 2,753.56-4,131.20-904.70

Finding the Fourth Proportional to 2,753.56, 4,131.20 and 904.70

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Solution

The fourth proportional to 2,753.56, 4,131.20 and 904.70 is: 1,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.56 : 4,131.20 = 904.70 : x
  2. Step 2: Convert to fraction form
    2,753.56/4,131.20 = 904.70/x
  3. Step 3: Cross multiply
    2,753.56x = 4,131.20 × 904.70
  4. Step 4: Simplify right side
    2,753.56x = 3,737,496.64
  5. Step 5: Solve for x
    x = 3,737,496.64/2,753.56
  6. Step 6: Final answer
    x = 1,357.33

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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.