Home / 2,718.10-4,077.15-1,983.70

Finding the Fourth Proportional to 2,718.10, 4,077.15 and 1,983.70

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Solution

The fourth proportional to 2,718.10, 4,077.15 and 1,983.70 is: 2,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.10 : 4,077.15 = 1,983.70 : x
  2. Step 2: Convert to fraction form
    2,718.10/4,077.15 = 1,983.70/x
  3. Step 3: Cross multiply
    2,718.10x = 4,077.15 × 1,983.70
  4. Step 4: Simplify right side
    2,718.10x = 8,087,842.46
  5. Step 5: Solve for x
    x = 8,087,842.46/2,718.10
  6. Step 6: Final answer
    x = 2,975.55

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Similar ratio
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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.