Home / 3,258.45-4,865.87-2,557.25

Finding the Fourth Proportional to 3,258.45, 4,865.87 and 2,557.25

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Solution

The fourth proportional to 3,258.45, 4,865.87 and 2,557.25 is: 3,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.45 : 4,865.87 = 2,557.25 : x
  2. Step 2: Convert to fraction form
    3,258.45/4,865.87 = 2,557.25/x
  3. Step 3: Cross multiply
    3,258.45x = 4,865.87 × 2,557.25
  4. Step 4: Simplify right side
    3,258.45x = 12,443,232.68
  5. Step 5: Solve for x
    x = 12,443,232.68/3,258.45
  6. Step 6: Final answer
    x = 3,818.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.