Home / 3,130.62-4,695.36-1,182.18

Finding the Fourth Proportional to 3,130.62, 4,695.36 and 1,182.18

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Solution

The fourth proportional to 3,130.62, 4,695.36 and 1,182.18 is: 1,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.62 : 4,695.36 = 1,182.18 : x
  2. Step 2: Convert to fraction form
    3,130.62/4,695.36 = 1,182.18/x
  3. Step 3: Cross multiply
    3,130.62x = 4,695.36 × 1,182.18
  4. Step 4: Simplify right side
    3,130.62x = 5,550,760.68
  5. Step 5: Solve for x
    x = 5,550,760.68/3,130.62
  6. Step 6: Final answer
    x = 1,773.05

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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.