Home / 1,749.90-2,624.50-517.29

Finding the Fourth Proportional to 1,749.90, 2,624.50 and 517.29

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Solution

The fourth proportional to 1,749.90, 2,624.50 and 517.29 is: 775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.90 : 2,624.50 = 517.29 : x
  2. Step 2: Convert to fraction form
    1,749.90/2,624.50 = 517.29/x
  3. Step 3: Cross multiply
    1,749.90x = 2,624.50 × 517.29
  4. Step 4: Simplify right side
    1,749.90x = 1,357,618.41
  5. Step 5: Solve for x
    x = 1,357,618.41/1,749.90
  6. Step 6: Final answer
    x = 775.82

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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.