Home / 3,576.80-5,366.76-1,387.04

Finding the Fourth Proportional to 3,576.80, 5,366.76 and 1,387.04

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Solution

The fourth proportional to 3,576.80, 5,366.76 and 1,387.04 is: 2,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.80 : 5,366.76 = 1,387.04 : x
  2. Step 2: Convert to fraction form
    3,576.80/5,366.76 = 1,387.04/x
  3. Step 3: Cross multiply
    3,576.80x = 5,366.76 × 1,387.04
  4. Step 4: Simplify right side
    3,576.80x = 7,443,910.79
  5. Step 5: Solve for x
    x = 7,443,910.79/3,576.80
  6. Step 6: Final answer
    x = 2,081.16

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1.5x scale

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.