Home / 3,417.85-4,716.55-1,982.47

Finding the Fourth Proportional to 3,417.85, 4,716.55 and 1,982.47

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Solution

The fourth proportional to 3,417.85, 4,716.55 and 1,982.47 is: 2,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.85 : 4,716.55 = 1,982.47 : x
  2. Step 2: Convert to fraction form
    3,417.85/4,716.55 = 1,982.47/x
  3. Step 3: Cross multiply
    3,417.85x = 4,716.55 × 1,982.47
  4. Step 4: Simplify right side
    3,417.85x = 9,350,425.29
  5. Step 5: Solve for x
    x = 9,350,425.29/3,417.85
  6. Step 6: Final answer
    x = 2,735.76

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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.