Home / 1,626.38-2,433.90-1,330.46

Finding the Fourth Proportional to 1,626.38, 2,433.90 and 1,330.46

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Solution

The fourth proportional to 1,626.38, 2,433.90 and 1,330.46 is: 1,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.38 : 2,433.90 = 1,330.46 : x
  2. Step 2: Convert to fraction form
    1,626.38/2,433.90 = 1,330.46/x
  3. Step 3: Cross multiply
    1,626.38x = 2,433.90 × 1,330.46
  4. Step 4: Simplify right side
    1,626.38x = 3,238,217.67
  5. Step 5: Solve for x
    x = 3,238,217.67/1,626.38
  6. Step 6: Final answer
    x = 1,991.06

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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.