Home / 3,151.64-4,728.54-1,204.13

Finding the Fourth Proportional to 3,151.64, 4,728.54 and 1,204.13

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Solution

The fourth proportional to 3,151.64, 4,728.54 and 1,204.13 is: 1,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.64 : 4,728.54 = 1,204.13 : x
  2. Step 2: Convert to fraction form
    3,151.64/4,728.54 = 1,204.13/x
  3. Step 3: Cross multiply
    3,151.64x = 4,728.54 × 1,204.13
  4. Step 4: Simplify right side
    3,151.64x = 5,693,776.87
  5. Step 5: Solve for x
    x = 5,693,776.87/3,151.64
  6. Step 6: Final answer
    x = 1,806.61

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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.