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Finding the Fourth Proportional to 1,500.35, 2,250.46 and 575.74

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Solution

The fourth proportional to 1,500.35, 2,250.46 and 575.74 is: 863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.35 : 2,250.46 = 575.74 : x
  2. Step 2: Convert to fraction form
    1,500.35/2,250.46 = 575.74/x
  3. Step 3: Cross multiply
    1,500.35x = 2,250.46 × 575.74
  4. Step 4: Simplify right side
    1,500.35x = 1,295,665.71
  5. Step 5: Solve for x
    x = 1,295,665.71/1,500.35
  6. Step 6: Final answer
    x = 863.58

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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.