Home / 3,874.08-5,346.66-2,458.20

Finding the Fourth Proportional to 3,874.08, 5,346.66 and 2,458.20

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Solution

The fourth proportional to 3,874.08, 5,346.66 and 2,458.20 is: 3,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.08 : 5,346.66 = 2,458.20 : x
  2. Step 2: Convert to fraction form
    3,874.08/5,346.66 = 2,458.20/x
  3. Step 3: Cross multiply
    3,874.08x = 5,346.66 × 2,458.20
  4. Step 4: Simplify right side
    3,874.08x = 13,143,159.61
  5. Step 5: Solve for x
    x = 13,143,159.61/3,874.08
  6. Step 6: Final answer
    x = 3,392.59

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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.