Home / 1,845.52-2,765.46-1,381.12

Finding the Fourth Proportional to 1,845.52, 2,765.46 and 1,381.12

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Solution

The fourth proportional to 1,845.52, 2,765.46 and 1,381.12 is: 2,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.52 : 2,765.46 = 1,381.12 : x
  2. Step 2: Convert to fraction form
    1,845.52/2,765.46 = 1,381.12/x
  3. Step 3: Cross multiply
    1,845.52x = 2,765.46 × 1,381.12
  4. Step 4: Simplify right side
    1,845.52x = 3,819,432.12
  5. Step 5: Solve for x
    x = 3,819,432.12/1,845.52
  6. Step 6: Final answer
    x = 2,069.57

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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.