Home / 2,177.52-3,004.20-1,245.48

Finding the Fourth Proportional to 2,177.52, 3,004.20 and 1,245.48

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Solution

The fourth proportional to 2,177.52, 3,004.20 and 1,245.48 is: 1,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.52 : 3,004.20 = 1,245.48 : x
  2. Step 2: Convert to fraction form
    2,177.52/3,004.20 = 1,245.48/x
  3. Step 3: Cross multiply
    2,177.52x = 3,004.20 × 1,245.48
  4. Step 4: Simplify right side
    2,177.52x = 3,741,671.02
  5. Step 5: Solve for x
    x = 3,741,671.02/2,177.52
  6. Step 6: Final answer
    x = 1,718.32

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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.