Home / 2,079.56-3,120.30-2,046.80

Finding the Fourth Proportional to 2,079.56, 3,120.30 and 2,046.80

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Solution

The fourth proportional to 2,079.56, 3,120.30 and 2,046.80 is: 3,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.56 : 3,120.30 = 2,046.80 : x
  2. Step 2: Convert to fraction form
    2,079.56/3,120.30 = 2,046.80/x
  3. Step 3: Cross multiply
    2,079.56x = 3,120.30 × 2,046.80
  4. Step 4: Simplify right side
    2,079.56x = 6,386,630.04
  5. Step 5: Solve for x
    x = 6,386,630.04/2,079.56
  6. Step 6: Final answer
    x = 3,071.14

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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.