Home / 2,182.30-3,248.76-2,169.32

Finding the Fourth Proportional to 2,182.30, 3,248.76 and 2,169.32

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Solution

The fourth proportional to 2,182.30, 3,248.76 and 2,169.32 is: 3,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.30 : 3,248.76 = 2,169.32 : x
  2. Step 2: Convert to fraction form
    2,182.30/3,248.76 = 2,169.32/x
  3. Step 3: Cross multiply
    2,182.30x = 3,248.76 × 2,169.32
  4. Step 4: Simplify right side
    2,182.30x = 7,047,620.36
  5. Step 5: Solve for x
    x = 7,047,620.36/2,182.30
  6. Step 6: Final answer
    x = 3,229.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.