Home / 3,128.00-4,691.66-1,254.68

Finding the Fourth Proportional to 3,128.00, 4,691.66 and 1,254.68

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Solution

The fourth proportional to 3,128.00, 4,691.66 and 1,254.68 is: 1,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.00 : 4,691.66 = 1,254.68 : x
  2. Step 2: Convert to fraction form
    3,128.00/4,691.66 = 1,254.68/x
  3. Step 3: Cross multiply
    3,128.00x = 4,691.66 × 1,254.68
  4. Step 4: Simplify right side
    3,128.00x = 5,886,502.24
  5. Step 5: Solve for x
    x = 5,886,502.24/3,128.00
  6. Step 6: Final answer
    x = 1,881.88

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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.