Home / 2,177.52-3,005.61-1,327.08

Finding the Fourth Proportional to 2,177.52, 3,005.61 and 1,327.08

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Solution

The fourth proportional to 2,177.52, 3,005.61 and 1,327.08 is: 1,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.52 : 3,005.61 = 1,327.08 : x
  2. Step 2: Convert to fraction form
    2,177.52/3,005.61 = 1,327.08/x
  3. Step 3: Cross multiply
    2,177.52x = 3,005.61 × 1,327.08
  4. Step 4: Simplify right side
    2,177.52x = 3,988,684.92
  5. Step 5: Solve for x
    x = 3,988,684.92/2,177.52
  6. Step 6: Final answer
    x = 1,831.76

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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.