Home / 2,766.29-4,146.71-1,531.08

Finding the Fourth Proportional to 2,766.29, 4,146.71 and 1,531.08

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Solution

The fourth proportional to 2,766.29, 4,146.71 and 1,531.08 is: 2,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.29 : 4,146.71 = 1,531.08 : x
  2. Step 2: Convert to fraction form
    2,766.29/4,146.71 = 1,531.08/x
  3. Step 3: Cross multiply
    2,766.29x = 4,146.71 × 1,531.08
  4. Step 4: Simplify right side
    2,766.29x = 6,348,937.09
  5. Step 5: Solve for x
    x = 6,348,937.09/2,766.29
  6. Step 6: Final answer
    x = 2,295.11

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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.