Home / 2,177.49-3,004.97-1,182.78

Finding the Fourth Proportional to 2,177.49, 3,004.97 and 1,182.78

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Solution

The fourth proportional to 2,177.49, 3,004.97 and 1,182.78 is: 1,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.49 : 3,004.97 = 1,182.78 : x
  2. Step 2: Convert to fraction form
    2,177.49/3,004.97 = 1,182.78/x
  3. Step 3: Cross multiply
    2,177.49x = 3,004.97 × 1,182.78
  4. Step 4: Simplify right side
    2,177.49x = 3,554,212.50
  5. Step 5: Solve for x
    x = 3,554,212.50/2,177.49
  6. Step 6: Final answer
    x = 1,632.25

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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.