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Finding the Fourth Proportional to 1,500.15, 2,250.59 and 575.69

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Solution

The fourth proportional to 1,500.15, 2,250.59 and 575.69 is: 863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.15 : 2,250.59 = 575.69 : x
  2. Step 2: Convert to fraction form
    1,500.15/2,250.59 = 575.69/x
  3. Step 3: Cross multiply
    1,500.15x = 2,250.59 × 575.69
  4. Step 4: Simplify right side
    1,500.15x = 1,295,642.16
  5. Step 5: Solve for x
    x = 1,295,642.16/1,500.15
  6. Step 6: Final answer
    x = 863.68

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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.