Home / 3,524.25-5,280.89-1,331.78

Finding the Fourth Proportional to 3,524.25, 5,280.89 and 1,331.78

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Solution

The fourth proportional to 3,524.25, 5,280.89 and 1,331.78 is: 1,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.25 : 5,280.89 = 1,331.78 : x
  2. Step 2: Convert to fraction form
    3,524.25/5,280.89 = 1,331.78/x
  3. Step 3: Cross multiply
    3,524.25x = 5,280.89 × 1,331.78
  4. Step 4: Simplify right side
    3,524.25x = 7,032,990.23
  5. Step 5: Solve for x
    x = 7,032,990.23/3,524.25
  6. Step 6: Final answer
    x = 1,995.60

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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.