Home / 2,195.57-3,288.02-1,156.45

Finding the Fourth Proportional to 2,195.57, 3,288.02 and 1,156.45

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Solution

The fourth proportional to 2,195.57, 3,288.02 and 1,156.45 is: 1,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.57 : 3,288.02 = 1,156.45 : x
  2. Step 2: Convert to fraction form
    2,195.57/3,288.02 = 1,156.45/x
  3. Step 3: Cross multiply
    2,195.57x = 3,288.02 × 1,156.45
  4. Step 4: Simplify right side
    2,195.57x = 3,802,430.73
  5. Step 5: Solve for x
    x = 3,802,430.73/2,195.57
  6. Step 6: Final answer
    x = 1,731.86

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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.