Home / 3,182.32-4,780.80-2,260.12

Finding the Fourth Proportional to 3,182.32, 4,780.80 and 2,260.12

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Solution

The fourth proportional to 3,182.32, 4,780.80 and 2,260.12 is: 3,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.32 : 4,780.80 = 2,260.12 : x
  2. Step 2: Convert to fraction form
    3,182.32/4,780.80 = 2,260.12/x
  3. Step 3: Cross multiply
    3,182.32x = 4,780.80 × 2,260.12
  4. Step 4: Simplify right side
    3,182.32x = 10,805,181.70
  5. Step 5: Solve for x
    x = 10,805,181.70/3,182.32
  6. Step 6: Final answer
    x = 3,395.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.