Home / 3,706.61-5,116.23-2,290.73

Finding the Fourth Proportional to 3,706.61, 5,116.23 and 2,290.73

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Solution

The fourth proportional to 3,706.61, 5,116.23 and 2,290.73 is: 3,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.61 : 5,116.23 = 2,290.73 : x
  2. Step 2: Convert to fraction form
    3,706.61/5,116.23 = 2,290.73/x
  3. Step 3: Cross multiply
    3,706.61x = 5,116.23 × 2,290.73
  4. Step 4: Simplify right side
    3,706.61x = 11,719,875.97
  5. Step 5: Solve for x
    x = 11,719,875.97/3,706.61
  6. Step 6: Final answer
    x = 3,161.89

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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.