Home / 3,079.18-4,616.61-1,131.13

Finding the Fourth Proportional to 3,079.18, 4,616.61 and 1,131.13

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Solution

The fourth proportional to 3,079.18, 4,616.61 and 1,131.13 is: 1,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.18 : 4,616.61 = 1,131.13 : x
  2. Step 2: Convert to fraction form
    3,079.18/4,616.61 = 1,131.13/x
  3. Step 3: Cross multiply
    3,079.18x = 4,616.61 × 1,131.13
  4. Step 4: Simplify right side
    3,079.18x = 5,221,986.07
  5. Step 5: Solve for x
    x = 5,221,986.07/3,079.18
  6. Step 6: Final answer
    x = 1,695.90

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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.