Home / 3,695.55-5,541.45-1,229.70

Finding the Fourth Proportional to 3,695.55, 5,541.45 and 1,229.70

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Solution

The fourth proportional to 3,695.55, 5,541.45 and 1,229.70 is: 1,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.55 : 5,541.45 = 1,229.70 : x
  2. Step 2: Convert to fraction form
    3,695.55/5,541.45 = 1,229.70/x
  3. Step 3: Cross multiply
    3,695.55x = 5,541.45 × 1,229.70
  4. Step 4: Simplify right side
    3,695.55x = 6,814,321.07
  5. Step 5: Solve for x
    x = 6,814,321.07/3,695.55
  6. Step 6: Final answer
    x = 1,843.93

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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.