Home / 1,255.23-1,730.97-1,132.16

Finding the Fourth Proportional to 1,255.23, 1,730.97 and 1,132.16

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Solution

The fourth proportional to 1,255.23, 1,730.97 and 1,132.16 is: 1,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.23 : 1,730.97 = 1,132.16 : x
  2. Step 2: Convert to fraction form
    1,255.23/1,730.97 = 1,132.16/x
  3. Step 3: Cross multiply
    1,255.23x = 1,730.97 × 1,132.16
  4. Step 4: Simplify right side
    1,255.23x = 1,959,726.34
  5. Step 5: Solve for x
    x = 1,959,726.34/1,255.23
  6. Step 6: Final answer
    x = 1,561.25

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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.