Home / 2,193.46-3,285.84-1,151.90

Finding the Fourth Proportional to 2,193.46, 3,285.84 and 1,151.90

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Solution

The fourth proportional to 2,193.46, 3,285.84 and 1,151.90 is: 1,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.46 : 3,285.84 = 1,151.90 : x
  2. Step 2: Convert to fraction form
    2,193.46/3,285.84 = 1,151.90/x
  3. Step 3: Cross multiply
    2,193.46x = 3,285.84 × 1,151.90
  4. Step 4: Simplify right side
    2,193.46x = 3,784,959.31
  5. Step 5: Solve for x
    x = 3,784,959.31/2,193.46
  6. Step 6: Final answer
    x = 1,725.57

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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.