Home / 2,149.18-2,966.06-1,252.87

Finding the Fourth Proportional to 2,149.18, 2,966.06 and 1,252.87

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Solution

The fourth proportional to 2,149.18, 2,966.06 and 1,252.87 is: 1,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.18 : 2,966.06 = 1,252.87 : x
  2. Step 2: Convert to fraction form
    2,149.18/2,966.06 = 1,252.87/x
  3. Step 3: Cross multiply
    2,149.18x = 2,966.06 × 1,252.87
  4. Step 4: Simplify right side
    2,149.18x = 3,716,087.59
  5. Step 5: Solve for x
    x = 3,716,087.59/2,149.18
  6. Step 6: Final answer
    x = 1,729.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.