Home / 2,747.32-4,116.16-2,166.08

Finding the Fourth Proportional to 2,747.32, 4,116.16 and 2,166.08

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Solution

The fourth proportional to 2,747.32, 4,116.16 and 2,166.08 is: 3,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.32 : 4,116.16 = 2,166.08 : x
  2. Step 2: Convert to fraction form
    2,747.32/4,116.16 = 2,166.08/x
  3. Step 3: Cross multiply
    2,747.32x = 4,116.16 × 2,166.08
  4. Step 4: Simplify right side
    2,747.32x = 8,915,931.85
  5. Step 5: Solve for x
    x = 8,915,931.85/2,747.32
  6. Step 6: Final answer
    x = 3,245.32

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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.