Home / 2,177.67-3,004.18-1,292.97

Finding the Fourth Proportional to 2,177.67, 3,004.18 and 1,292.97

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Solution

The fourth proportional to 2,177.67, 3,004.18 and 1,292.97 is: 1,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.67 : 3,004.18 = 1,292.97 : x
  2. Step 2: Convert to fraction form
    2,177.67/3,004.18 = 1,292.97/x
  3. Step 3: Cross multiply
    2,177.67x = 3,004.18 × 1,292.97
  4. Step 4: Simplify right side
    2,177.67x = 3,884,314.61
  5. Step 5: Solve for x
    x = 3,884,314.61/2,177.67
  6. Step 6: Final answer
    x = 1,783.70

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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.