Home / 3,326.74-4,988.66-1,766.40

Finding the Fourth Proportional to 3,326.74, 4,988.66 and 1,766.40

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Solution

The fourth proportional to 3,326.74, 4,988.66 and 1,766.40 is: 2,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.74 : 4,988.66 = 1,766.40 : x
  2. Step 2: Convert to fraction form
    3,326.74/4,988.66 = 1,766.40/x
  3. Step 3: Cross multiply
    3,326.74x = 4,988.66 × 1,766.40
  4. Step 4: Simplify right side
    3,326.74x = 8,811,969.02
  5. Step 5: Solve for x
    x = 8,811,969.02/3,326.74
  6. Step 6: Final answer
    x = 2,648.83

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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.