Home / 3,706.47-5,561.25-1,625.40

Finding the Fourth Proportional to 3,706.47, 5,561.25 and 1,625.40

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Solution

The fourth proportional to 3,706.47, 5,561.25 and 1,625.40 is: 2,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.47 : 5,561.25 = 1,625.40 : x
  2. Step 2: Convert to fraction form
    3,706.47/5,561.25 = 1,625.40/x
  3. Step 3: Cross multiply
    3,706.47x = 5,561.25 × 1,625.40
  4. Step 4: Simplify right side
    3,706.47x = 9,039,255.75
  5. Step 5: Solve for x
    x = 9,039,255.75/3,706.47
  6. Step 6: Final answer
    x = 2,438.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.