Home / 2,264.65-3,125.28-1,380.43

Finding the Fourth Proportional to 2,264.65, 3,125.28 and 1,380.43

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Solution

The fourth proportional to 2,264.65, 3,125.28 and 1,380.43 is: 1,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.65 : 3,125.28 = 1,380.43 : x
  2. Step 2: Convert to fraction form
    2,264.65/3,125.28 = 1,380.43/x
  3. Step 3: Cross multiply
    2,264.65x = 3,125.28 × 1,380.43
  4. Step 4: Simplify right side
    2,264.65x = 4,314,230.27
  5. Step 5: Solve for x
    x = 4,314,230.27/2,264.65
  6. Step 6: Final answer
    x = 1,905.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.