Home / 3,604.30-4,974.42-2,278.34

Finding the Fourth Proportional to 3,604.30, 4,974.42 and 2,278.34

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Solution

The fourth proportional to 3,604.30, 4,974.42 and 2,278.34 is: 3,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.30 : 4,974.42 = 2,278.34 : x
  2. Step 2: Convert to fraction form
    3,604.30/4,974.42 = 2,278.34/x
  3. Step 3: Cross multiply
    3,604.30x = 4,974.42 × 2,278.34
  4. Step 4: Simplify right side
    3,604.30x = 11,333,420.06
  5. Step 5: Solve for x
    x = 11,333,420.06/3,604.30
  6. Step 6: Final answer
    x = 3,144.42

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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.