Home / 2,149.68-2,966.48-1,266.08

Finding the Fourth Proportional to 2,149.68, 2,966.48 and 1,266.08

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Solution

The fourth proportional to 2,149.68, 2,966.48 and 1,266.08 is: 1,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.68 : 2,966.48 = 1,266.08 : x
  2. Step 2: Convert to fraction form
    2,149.68/2,966.48 = 1,266.08/x
  3. Step 3: Cross multiply
    2,149.68x = 2,966.48 × 1,266.08
  4. Step 4: Simplify right side
    2,149.68x = 3,755,801.00
  5. Step 5: Solve for x
    x = 3,755,801.00/2,149.68
  6. Step 6: Final answer
    x = 1,747.14

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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.