Home / 3,805.44-5,251.20-2,407.68

Finding the Fourth Proportional to 3,805.44, 5,251.20 and 2,407.68

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Solution

The fourth proportional to 3,805.44, 5,251.20 and 2,407.68 is: 3,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.44 : 5,251.20 = 2,407.68 : x
  2. Step 2: Convert to fraction form
    3,805.44/5,251.20 = 2,407.68/x
  3. Step 3: Cross multiply
    3,805.44x = 5,251.20 × 2,407.68
  4. Step 4: Simplify right side
    3,805.44x = 12,643,209.22
  5. Step 5: Solve for x
    x = 12,643,209.22/3,805.44
  6. Step 6: Final answer
    x = 3,322.40

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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.