Home / 1,738.97-2,400.38-1,040.34

Finding the Fourth Proportional to 1,738.97, 2,400.38 and 1,040.34

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Solution

The fourth proportional to 1,738.97, 2,400.38 and 1,040.34 is: 1,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.97 : 2,400.38 = 1,040.34 : x
  2. Step 2: Convert to fraction form
    1,738.97/2,400.38 = 1,040.34/x
  3. Step 3: Cross multiply
    1,738.97x = 2,400.38 × 1,040.34
  4. Step 4: Simplify right side
    1,738.97x = 2,497,224.88
  5. Step 5: Solve for x
    x = 2,497,224.88/1,738.97
  6. Step 6: Final answer
    x = 1,436.04

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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.