Home / 2,391.29-3,299.05-1,763.31

Finding the Fourth Proportional to 2,391.29, 3,299.05 and 1,763.31

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Solution

The fourth proportional to 2,391.29, 3,299.05 and 1,763.31 is: 2,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.29 : 3,299.05 = 1,763.31 : x
  2. Step 2: Convert to fraction form
    2,391.29/3,299.05 = 1,763.31/x
  3. Step 3: Cross multiply
    2,391.29x = 3,299.05 × 1,763.31
  4. Step 4: Simplify right side
    2,391.29x = 5,817,247.86
  5. Step 5: Solve for x
    x = 5,817,247.86/2,391.29
  6. Step 6: Final answer
    x = 2,432.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.