Home / 2,058.28-3,085.57-759.44

Finding the Fourth Proportional to 2,058.28, 3,085.57 and 759.44

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Solution

The fourth proportional to 2,058.28, 3,085.57 and 759.44 is: 1,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.28 : 3,085.57 = 759.44 : x
  2. Step 2: Convert to fraction form
    2,058.28/3,085.57 = 759.44/x
  3. Step 3: Cross multiply
    2,058.28x = 3,085.57 × 759.44
  4. Step 4: Simplify right side
    2,058.28x = 2,343,305.28
  5. Step 5: Solve for x
    x = 2,343,305.28/2,058.28
  6. Step 6: Final answer
    x = 1,138.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.