Home / 3,689.04-5,527.92-2,760.24

Finding the Fourth Proportional to 3,689.04, 5,527.92 and 2,760.24

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Solution

The fourth proportional to 3,689.04, 5,527.92 and 2,760.24 is: 4,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.04 : 5,527.92 = 2,760.24 : x
  2. Step 2: Convert to fraction form
    3,689.04/5,527.92 = 2,760.24/x
  3. Step 3: Cross multiply
    3,689.04x = 5,527.92 × 2,760.24
  4. Step 4: Simplify right side
    3,689.04x = 15,258,385.90
  5. Step 5: Solve for x
    x = 15,258,385.90/3,689.04
  6. Step 6: Final answer
    x = 4,136.14

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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.