Home / 2,264.09-3,125-1,380.38

Finding the Fourth Proportional to 2,264.09, 3,125 and 1,380.38

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Solution

The fourth proportional to 2,264.09, 3,125 and 1,380.38 is: 1,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.09 : 3,125 = 1,380.38 : x
  2. Step 2: Convert to fraction form
    2,264.09/3,125 = 1,380.38/x
  3. Step 3: Cross multiply
    2,264.09x = 3,125 × 1,380.38
  4. Step 4: Simplify right side
    2,264.09x = 4,313,687.50
  5. Step 5: Solve for x
    x = 4,313,687.50/2,264.09
  6. Step 6: Final answer
    x = 1,905.26

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1.5x scale

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.