Home / 3,397.84-4,687.42-2,403.66

Finding the Fourth Proportional to 3,397.84, 4,687.42 and 2,403.66

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Solution

The fourth proportional to 3,397.84, 4,687.42 and 2,403.66 is: 3,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.84 : 4,687.42 = 2,403.66 : x
  2. Step 2: Convert to fraction form
    3,397.84/4,687.42 = 2,403.66/x
  3. Step 3: Cross multiply
    3,397.84x = 4,687.42 × 2,403.66
  4. Step 4: Simplify right side
    3,397.84x = 11,266,963.96
  5. Step 5: Solve for x
    x = 11,266,963.96/3,397.84
  6. Step 6: Final answer
    x = 3,315.92

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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.