Home / 3,500.11-5,250.24-1,307.64

Finding the Fourth Proportional to 3,500.11, 5,250.24 and 1,307.64

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Solution

The fourth proportional to 3,500.11, 5,250.24 and 1,307.64 is: 1,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.11 : 5,250.24 = 1,307.64 : x
  2. Step 2: Convert to fraction form
    3,500.11/5,250.24 = 1,307.64/x
  3. Step 3: Cross multiply
    3,500.11x = 5,250.24 × 1,307.64
  4. Step 4: Simplify right side
    3,500.11x = 6,865,423.83
  5. Step 5: Solve for x
    x = 6,865,423.83/3,500.11
  6. Step 6: Final answer
    x = 1,961.49

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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.