Home / 3,359.30-5,039.76-1,411.65

Finding the Fourth Proportional to 3,359.30, 5,039.76 and 1,411.65

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Solution

The fourth proportional to 3,359.30, 5,039.76 and 1,411.65 is: 2,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.30 : 5,039.76 = 1,411.65 : x
  2. Step 2: Convert to fraction form
    3,359.30/5,039.76 = 1,411.65/x
  3. Step 3: Cross multiply
    3,359.30x = 5,039.76 × 1,411.65
  4. Step 4: Simplify right side
    3,359.30x = 7,114,377.20
  5. Step 5: Solve for x
    x = 7,114,377.20/3,359.30
  6. Step 6: Final answer
    x = 2,117.82

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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.