Home / 1,738.08-2,400.66-1,265.23

Finding the Fourth Proportional to 1,738.08, 2,400.66 and 1,265.23

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Solution

The fourth proportional to 1,738.08, 2,400.66 and 1,265.23 is: 1,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.08 : 2,400.66 = 1,265.23 : x
  2. Step 2: Convert to fraction form
    1,738.08/2,400.66 = 1,265.23/x
  3. Step 3: Cross multiply
    1,738.08x = 2,400.66 × 1,265.23
  4. Step 4: Simplify right side
    1,738.08x = 3,037,376.31
  5. Step 5: Solve for x
    x = 3,037,376.31/1,738.08
  6. Step 6: Final answer
    x = 1,747.55

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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.