Home / 3,554.48-5,331.76-1,122.48

Finding the Fourth Proportional to 3,554.48, 5,331.76 and 1,122.48

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Solution

The fourth proportional to 3,554.48, 5,331.76 and 1,122.48 is: 1,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.48 : 5,331.76 = 1,122.48 : x
  2. Step 2: Convert to fraction form
    3,554.48/5,331.76 = 1,122.48/x
  3. Step 3: Cross multiply
    3,554.48x = 5,331.76 × 1,122.48
  4. Step 4: Simplify right side
    3,554.48x = 5,984,793.96
  5. Step 5: Solve for x
    x = 5,984,793.96/3,554.48
  6. Step 6: Final answer
    x = 1,683.73

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Similar ratio
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1.5x scale

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.