Home / 2,058.92-2,841.36-1,127.42

Finding the Fourth Proportional to 2,058.92, 2,841.36 and 1,127.42

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Solution

The fourth proportional to 2,058.92, 2,841.36 and 1,127.42 is: 1,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.92 : 2,841.36 = 1,127.42 : x
  2. Step 2: Convert to fraction form
    2,058.92/2,841.36 = 1,127.42/x
  3. Step 3: Cross multiply
    2,058.92x = 2,841.36 × 1,127.42
  4. Step 4: Simplify right side
    2,058.92x = 3,203,406.09
  5. Step 5: Solve for x
    x = 3,203,406.09/2,058.92
  6. Step 6: Final answer
    x = 1,555.87

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Half scale
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Double scale
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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.