Home / 3,678.31-5,517.05-1,597.22

Finding the Fourth Proportional to 3,678.31, 5,517.05 and 1,597.22

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Solution

The fourth proportional to 3,678.31, 5,517.05 and 1,597.22 is: 2,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.31 : 5,517.05 = 1,597.22 : x
  2. Step 2: Convert to fraction form
    3,678.31/5,517.05 = 1,597.22/x
  3. Step 3: Cross multiply
    3,678.31x = 5,517.05 × 1,597.22
  4. Step 4: Simplify right side
    3,678.31x = 8,811,915.02
  5. Step 5: Solve for x
    x = 8,811,915.02/3,678.31
  6. Step 6: Final answer
    x = 2,395.65

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1.5x scale

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.