Home / 3,728.16-5,592.60-1,131.12

Finding the Fourth Proportional to 3,728.16, 5,592.60 and 1,131.12

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Solution

The fourth proportional to 3,728.16, 5,592.60 and 1,131.12 is: 1,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.16 : 5,592.60 = 1,131.12 : x
  2. Step 2: Convert to fraction form
    3,728.16/5,592.60 = 1,131.12/x
  3. Step 3: Cross multiply
    3,728.16x = 5,592.60 × 1,131.12
  4. Step 4: Simplify right side
    3,728.16x = 6,325,901.71
  5. Step 5: Solve for x
    x = 6,325,901.71/3,728.16
  6. Step 6: Final answer
    x = 1,696.79

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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.