Home / 2,269.65-3,132.46-1,385.97

Finding the Fourth Proportional to 2,269.65, 3,132.46 and 1,385.97

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Solution

The fourth proportional to 2,269.65, 3,132.46 and 1,385.97 is: 1,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.65 : 3,132.46 = 1,385.97 : x
  2. Step 2: Convert to fraction form
    2,269.65/3,132.46 = 1,385.97/x
  3. Step 3: Cross multiply
    2,269.65x = 3,132.46 × 1,385.97
  4. Step 4: Simplify right side
    2,269.65x = 4,341,495.59
  5. Step 5: Solve for x
    x = 4,341,495.59/2,269.65
  6. Step 6: Final answer
    x = 1,912.85

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1.5x scale

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.