Home / 2,974.47-4,104.35-1,715.43

Finding the Fourth Proportional to 2,974.47, 4,104.35 and 1,715.43

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Solution

The fourth proportional to 2,974.47, 4,104.35 and 1,715.43 is: 2,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.47 : 4,104.35 = 1,715.43 : x
  2. Step 2: Convert to fraction form
    2,974.47/4,104.35 = 1,715.43/x
  3. Step 3: Cross multiply
    2,974.47x = 4,104.35 × 1,715.43
  4. Step 4: Simplify right side
    2,974.47x = 7,040,725.12
  5. Step 5: Solve for x
    x = 7,040,725.12/2,974.47
  6. Step 6: Final answer
    x = 2,367.05

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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.