Home / 1,500.72-2,249.40-512.62

Finding the Fourth Proportional to 1,500.72, 2,249.40 and 512.62

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Solution

The fourth proportional to 1,500.72, 2,249.40 and 512.62 is: 768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.72 : 2,249.40 = 512.62 : x
  2. Step 2: Convert to fraction form
    1,500.72/2,249.40 = 512.62/x
  3. Step 3: Cross multiply
    1,500.72x = 2,249.40 × 512.62
  4. Step 4: Simplify right side
    1,500.72x = 1,153,087.43
  5. Step 5: Solve for x
    x = 1,153,087.43/1,500.72
  6. Step 6: Final answer
    x = 768.36

Related Problems

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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.