Home / 3,258.86-4,888.29-1,310.61

Finding the Fourth Proportional to 3,258.86, 4,888.29 and 1,310.61

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Solution

The fourth proportional to 3,258.86, 4,888.29 and 1,310.61 is: 1,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.86 : 4,888.29 = 1,310.61 : x
  2. Step 2: Convert to fraction form
    3,258.86/4,888.29 = 1,310.61/x
  3. Step 3: Cross multiply
    3,258.86x = 4,888.29 × 1,310.61
  4. Step 4: Simplify right side
    3,258.86x = 6,406,641.76
  5. Step 5: Solve for x
    x = 6,406,641.76/3,258.86
  6. Step 6: Final answer
    x = 1,965.92

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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.