Home / 2,974.54-4,442.28-2,390.43

Finding the Fourth Proportional to 2,974.54, 4,442.28 and 2,390.43

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Solution

The fourth proportional to 2,974.54, 4,442.28 and 2,390.43 is: 3,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.54 : 4,442.28 = 2,390.43 : x
  2. Step 2: Convert to fraction form
    2,974.54/4,442.28 = 2,390.43/x
  3. Step 3: Cross multiply
    2,974.54x = 4,442.28 × 2,390.43
  4. Step 4: Simplify right side
    2,974.54x = 10,618,959.38
  5. Step 5: Solve for x
    x = 10,618,959.38/2,974.54
  6. Step 6: Final answer
    x = 3,569.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.