Home / 2,451.21-3,680.46-2,407.47

Finding the Fourth Proportional to 2,451.21, 3,680.46 and 2,407.47

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Solution

The fourth proportional to 2,451.21, 3,680.46 and 2,407.47 is: 3,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.21 : 3,680.46 = 2,407.47 : x
  2. Step 2: Convert to fraction form
    2,451.21/3,680.46 = 2,407.47/x
  3. Step 3: Cross multiply
    2,451.21x = 3,680.46 × 2,407.47
  4. Step 4: Simplify right side
    2,451.21x = 8,860,597.04
  5. Step 5: Solve for x
    x = 8,860,597.04/2,451.21
  6. Step 6: Final answer
    x = 3,614.78

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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.