Home / 3,517.40-4,854.33-1,946

Finding the Fourth Proportional to 3,517.40, 4,854.33 and 1,946

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Solution

The fourth proportional to 3,517.40, 4,854.33 and 1,946 is: 2,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.40 : 4,854.33 = 1,946 : x
  2. Step 2: Convert to fraction form
    3,517.40/4,854.33 = 1,946/x
  3. Step 3: Cross multiply
    3,517.40x = 4,854.33 × 1,946
  4. Step 4: Simplify right side
    3,517.40x = 9,446,526.18
  5. Step 5: Solve for x
    x = 9,446,526.18/3,517.40
  6. Step 6: Final answer
    x = 2,685.66

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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.