Home / 3,500.52-5,250.78-1,858.28

Finding the Fourth Proportional to 3,500.52, 5,250.78 and 1,858.28

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Solution

The fourth proportional to 3,500.52, 5,250.78 and 1,858.28 is: 2,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.52 : 5,250.78 = 1,858.28 : x
  2. Step 2: Convert to fraction form
    3,500.52/5,250.78 = 1,858.28/x
  3. Step 3: Cross multiply
    3,500.52x = 5,250.78 × 1,858.28
  4. Step 4: Simplify right side
    3,500.52x = 9,757,419.46
  5. Step 5: Solve for x
    x = 9,757,419.46/3,500.52
  6. Step 6: Final answer
    x = 2,787.42

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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.