Home / 1,738.14-2,400.74-1,265.29

Finding the Fourth Proportional to 1,738.14, 2,400.74 and 1,265.29

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Solution

The fourth proportional to 1,738.14, 2,400.74 and 1,265.29 is: 1,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.14 : 2,400.74 = 1,265.29 : x
  2. Step 2: Convert to fraction form
    1,738.14/2,400.74 = 1,265.29/x
  3. Step 3: Cross multiply
    1,738.14x = 2,400.74 × 1,265.29
  4. Step 4: Simplify right side
    1,738.14x = 3,037,632.31
  5. Step 5: Solve for x
    x = 3,037,632.31/1,738.14
  6. Step 6: Final answer
    x = 1,747.63

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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.