Home / 3,970.27-5,476.55-2,625.87

Finding the Fourth Proportional to 3,970.27, 5,476.55 and 2,625.87

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Solution

The fourth proportional to 3,970.27, 5,476.55 and 2,625.87 is: 3,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.27 : 5,476.55 = 2,625.87 : x
  2. Step 2: Convert to fraction form
    3,970.27/5,476.55 = 2,625.87/x
  3. Step 3: Cross multiply
    3,970.27x = 5,476.55 × 2,625.87
  4. Step 4: Simplify right side
    3,970.27x = 14,380,684.95
  5. Step 5: Solve for x
    x = 14,380,684.95/3,970.27
  6. Step 6: Final answer
    x = 3,622.10

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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.