Home / 3,690.24-5,512.08-3,107.04

Finding the Fourth Proportional to 3,690.24, 5,512.08 and 3,107.04

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Solution

The fourth proportional to 3,690.24, 5,512.08 and 3,107.04 is: 4,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.24 : 5,512.08 = 3,107.04 : x
  2. Step 2: Convert to fraction form
    3,690.24/5,512.08 = 3,107.04/x
  3. Step 3: Cross multiply
    3,690.24x = 5,512.08 × 3,107.04
  4. Step 4: Simplify right side
    3,690.24x = 17,126,253.04
  5. Step 5: Solve for x
    x = 17,126,253.04/3,690.24
  6. Step 6: Final answer
    x = 4,640.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.