Home / 2,177.52-3,004.92-1,182.78

Finding the Fourth Proportional to 2,177.52, 3,004.92 and 1,182.78

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Solution

The fourth proportional to 2,177.52, 3,004.92 and 1,182.78 is: 1,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.52 : 3,004.92 = 1,182.78 : x
  2. Step 2: Convert to fraction form
    2,177.52/3,004.92 = 1,182.78/x
  3. Step 3: Cross multiply
    2,177.52x = 3,004.92 × 1,182.78
  4. Step 4: Simplify right side
    2,177.52x = 3,554,159.28
  5. Step 5: Solve for x
    x = 3,554,159.28/2,177.52
  6. Step 6: Final answer
    x = 1,632.21

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1.5x scale

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.