Home / 3,544.40-4,891.15-1,972.46

Finding the Fourth Proportional to 3,544.40, 4,891.15 and 1,972.46

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Solution

The fourth proportional to 3,544.40, 4,891.15 and 1,972.46 is: 2,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.40 : 4,891.15 = 1,972.46 : x
  2. Step 2: Convert to fraction form
    3,544.40/4,891.15 = 1,972.46/x
  3. Step 3: Cross multiply
    3,544.40x = 4,891.15 × 1,972.46
  4. Step 4: Simplify right side
    3,544.40x = 9,647,597.73
  5. Step 5: Solve for x
    x = 9,647,597.73/3,544.40
  6. Step 6: Final answer
    x = 2,721.93

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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.