Home / 2,712.06-4,068.09-2,167.70

Finding the Fourth Proportional to 2,712.06, 4,068.09 and 2,167.70

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Solution

The fourth proportional to 2,712.06, 4,068.09 and 2,167.70 is: 3,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.06 : 4,068.09 = 2,167.70 : x
  2. Step 2: Convert to fraction form
    2,712.06/4,068.09 = 2,167.70/x
  3. Step 3: Cross multiply
    2,712.06x = 4,068.09 × 2,167.70
  4. Step 4: Simplify right side
    2,712.06x = 8,818,378.35
  5. Step 5: Solve for x
    x = 8,818,378.35/2,712.06
  6. Step 6: Final answer
    x = 3,251.55

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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.