Home / 1,500.30-2,249.01-525.75

Finding the Fourth Proportional to 1,500.30, 2,249.01 and 525.75

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Solution

The fourth proportional to 1,500.30, 2,249.01 and 525.75 is: 788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.30 : 2,249.01 = 525.75 : x
  2. Step 2: Convert to fraction form
    1,500.30/2,249.01 = 525.75/x
  3. Step 3: Cross multiply
    1,500.30x = 2,249.01 × 525.75
  4. Step 4: Simplify right side
    1,500.30x = 1,182,417.01
  5. Step 5: Solve for x
    x = 1,182,417.01/1,500.30
  6. Step 6: Final answer
    x = 788.12

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Half scale
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Double scale
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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.