Home / 3,940.74-5,436.63-2,524.05

Finding the Fourth Proportional to 3,940.74, 5,436.63 and 2,524.05

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Solution

The fourth proportional to 3,940.74, 5,436.63 and 2,524.05 is: 3,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.74 : 5,436.63 = 2,524.05 : x
  2. Step 2: Convert to fraction form
    3,940.74/5,436.63 = 2,524.05/x
  3. Step 3: Cross multiply
    3,940.74x = 5,436.63 × 2,524.05
  4. Step 4: Simplify right side
    3,940.74x = 13,722,325.95
  5. Step 5: Solve for x
    x = 13,722,325.95/3,940.74
  6. Step 6: Final answer
    x = 3,482.17

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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.