Home / 3,182.64-4,387.28-2,235.48

Finding the Fourth Proportional to 3,182.64, 4,387.28 and 2,235.48

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Solution

The fourth proportional to 3,182.64, 4,387.28 and 2,235.48 is: 3,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.64 : 4,387.28 = 2,235.48 : x
  2. Step 2: Convert to fraction form
    3,182.64/4,387.28 = 2,235.48/x
  3. Step 3: Cross multiply
    3,182.64x = 4,387.28 × 2,235.48
  4. Step 4: Simplify right side
    3,182.64x = 9,807,665.52
  5. Step 5: Solve for x
    x = 9,807,665.52/3,182.64
  6. Step 6: Final answer
    x = 3,081.61

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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.