Home / 2,304.67-3,179.65-1,408.17

Finding the Fourth Proportional to 2,304.67, 3,179.65 and 1,408.17

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Solution

The fourth proportional to 2,304.67, 3,179.65 and 1,408.17 is: 1,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.67 : 3,179.65 = 1,408.17 : x
  2. Step 2: Convert to fraction form
    2,304.67/3,179.65 = 1,408.17/x
  3. Step 3: Cross multiply
    2,304.67x = 3,179.65 × 1,408.17
  4. Step 4: Simplify right side
    2,304.67x = 4,477,487.74
  5. Step 5: Solve for x
    x = 4,477,487.74/2,304.67
  6. Step 6: Final answer
    x = 1,942.79

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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.