Home / 3,258.38-4,888.80-1,960.76

Finding the Fourth Proportional to 3,258.38, 4,888.80 and 1,960.76

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Solution

The fourth proportional to 3,258.38, 4,888.80 and 1,960.76 is: 2,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.38 : 4,888.80 = 1,960.76 : x
  2. Step 2: Convert to fraction form
    3,258.38/4,888.80 = 1,960.76/x
  3. Step 3: Cross multiply
    3,258.38x = 4,888.80 × 1,960.76
  4. Step 4: Simplify right side
    3,258.38x = 9,585,763.49
  5. Step 5: Solve for x
    x = 9,585,763.49/3,258.38
  6. Step 6: Final answer
    x = 2,941.88

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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.