Home / 3,258.27-4,873.29-1,920.88

Finding the Fourth Proportional to 3,258.27, 4,873.29 and 1,920.88

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Solution

The fourth proportional to 3,258.27, 4,873.29 and 1,920.88 is: 2,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.27 : 4,873.29 = 1,920.88 : x
  2. Step 2: Convert to fraction form
    3,258.27/4,873.29 = 1,920.88/x
  3. Step 3: Cross multiply
    3,258.27x = 4,873.29 × 1,920.88
  4. Step 4: Simplify right side
    3,258.27x = 9,361,005.30
  5. Step 5: Solve for x
    x = 9,361,005.30/3,258.27
  6. Step 6: Final answer
    x = 2,873.00

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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.