Home / 2,713.20-4,069.80-2,057.10

Finding the Fourth Proportional to 2,713.20, 4,069.80 and 2,057.10

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Solution

The fourth proportional to 2,713.20, 4,069.80 and 2,057.10 is: 3,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.20 : 4,069.80 = 2,057.10 : x
  2. Step 2: Convert to fraction form
    2,713.20/4,069.80 = 2,057.10/x
  3. Step 3: Cross multiply
    2,713.20x = 4,069.80 × 2,057.10
  4. Step 4: Simplify right side
    2,713.20x = 8,371,985.58
  5. Step 5: Solve for x
    x = 8,371,985.58/2,713.20
  6. Step 6: Final answer
    x = 3,085.65

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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.