Home / 2,391.90-3,583.20-1,348.71

Finding the Fourth Proportional to 2,391.90, 3,583.20 and 1,348.71

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Solution

The fourth proportional to 2,391.90, 3,583.20 and 1,348.71 is: 2,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.90 : 3,583.20 = 1,348.71 : x
  2. Step 2: Convert to fraction form
    2,391.90/3,583.20 = 1,348.71/x
  3. Step 3: Cross multiply
    2,391.90x = 3,583.20 × 1,348.71
  4. Step 4: Simplify right side
    2,391.90x = 4,832,697.67
  5. Step 5: Solve for x
    x = 4,832,697.67/2,391.90
  6. Step 6: Final answer
    x = 2,020.44

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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.