Home / 4,258.78-5,876.26-2,489.92

Finding the Fourth Proportional to 4,258.78, 5,876.26 and 2,489.92

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Solution

The fourth proportional to 4,258.78, 5,876.26 and 2,489.92 is: 3,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.78 : 5,876.26 = 2,489.92 : x
  2. Step 2: Convert to fraction form
    4,258.78/5,876.26 = 2,489.92/x
  3. Step 3: Cross multiply
    4,258.78x = 5,876.26 × 2,489.92
  4. Step 4: Simplify right side
    4,258.78x = 14,631,417.30
  5. Step 5: Solve for x
    x = 14,631,417.30/4,258.78
  6. Step 6: Final answer
    x = 3,435.59

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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.