Home / 3,279-4,918.76-2,500.24

Finding the Fourth Proportional to 3,279, 4,918.76 and 2,500.24

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Solution

The fourth proportional to 3,279, 4,918.76 and 2,500.24 is: 3,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279 : 4,918.76 = 2,500.24 : x
  2. Step 2: Convert to fraction form
    3,279/4,918.76 = 2,500.24/x
  3. Step 3: Cross multiply
    3,279x = 4,918.76 × 2,500.24
  4. Step 4: Simplify right side
    3,279x = 12,298,080.50
  5. Step 5: Solve for x
    x = 12,298,080.50/3,279
  6. Step 6: Final answer
    x = 3,750.56

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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.