Home / 3,500.72-5,251.08-1,625.59

Finding the Fourth Proportional to 3,500.72, 5,251.08 and 1,625.59

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Solution

The fourth proportional to 3,500.72, 5,251.08 and 1,625.59 is: 2,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.72 : 5,251.08 = 1,625.59 : x
  2. Step 2: Convert to fraction form
    3,500.72/5,251.08 = 1,625.59/x
  3. Step 3: Cross multiply
    3,500.72x = 5,251.08 × 1,625.59
  4. Step 4: Simplify right side
    3,500.72x = 8,536,075.12
  5. Step 5: Solve for x
    x = 8,536,075.12/3,500.72
  6. Step 6: Final answer
    x = 2,438.38

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Half scale
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Double scale
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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.