Home / 2,279.55-3,145.05-2,024.40

Finding the Fourth Proportional to 2,279.55, 3,145.05 and 2,024.40

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Solution

The fourth proportional to 2,279.55, 3,145.05 and 2,024.40 is: 2,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.55 : 3,145.05 = 2,024.40 : x
  2. Step 2: Convert to fraction form
    2,279.55/3,145.05 = 2,024.40/x
  3. Step 3: Cross multiply
    2,279.55x = 3,145.05 × 2,024.40
  4. Step 4: Simplify right side
    2,279.55x = 6,366,839.22
  5. Step 5: Solve for x
    x = 6,366,839.22/2,279.55
  6. Step 6: Final answer
    x = 2,793.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.