Home / 2,197.33-3,289.61-1,538.39

Finding the Fourth Proportional to 2,197.33, 3,289.61 and 1,538.39

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Solution

The fourth proportional to 2,197.33, 3,289.61 and 1,538.39 is: 2,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.33 : 3,289.61 = 1,538.39 : x
  2. Step 2: Convert to fraction form
    2,197.33/3,289.61 = 1,538.39/x
  3. Step 3: Cross multiply
    2,197.33x = 3,289.61 × 1,538.39
  4. Step 4: Simplify right side
    2,197.33x = 5,060,715.20
  5. Step 5: Solve for x
    x = 5,060,715.20/2,197.33
  6. Step 6: Final answer
    x = 2,303.12

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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.