Home / 2,901.52-4,002.32-2,201.68

Finding the Fourth Proportional to 2,901.52, 4,002.32 and 2,201.68

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Solution

The fourth proportional to 2,901.52, 4,002.32 and 2,201.68 is: 3,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.52 : 4,002.32 = 2,201.68 : x
  2. Step 2: Convert to fraction form
    2,901.52/4,002.32 = 2,201.68/x
  3. Step 3: Cross multiply
    2,901.52x = 4,002.32 × 2,201.68
  4. Step 4: Simplify right side
    2,901.52x = 8,811,827.90
  5. Step 5: Solve for x
    x = 8,811,827.90/2,901.52
  6. Step 6: Final answer
    x = 3,036.97

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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.