Home / 3,182.05-4,391.49-1,766.17

Finding the Fourth Proportional to 3,182.05, 4,391.49 and 1,766.17

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Solution

The fourth proportional to 3,182.05, 4,391.49 and 1,766.17 is: 2,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.05 : 4,391.49 = 1,766.17 : x
  2. Step 2: Convert to fraction form
    3,182.05/4,391.49 = 1,766.17/x
  3. Step 3: Cross multiply
    3,182.05x = 4,391.49 × 1,766.17
  4. Step 4: Simplify right side
    3,182.05x = 7,756,117.89
  5. Step 5: Solve for x
    x = 7,756,117.89/3,182.05
  6. Step 6: Final answer
    x = 2,437.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.