Home / 2,724.05-4,086.31-1,058.13

Finding the Fourth Proportional to 2,724.05, 4,086.31 and 1,058.13

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Solution

The fourth proportional to 2,724.05, 4,086.31 and 1,058.13 is: 1,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.05 : 4,086.31 = 1,058.13 : x
  2. Step 2: Convert to fraction form
    2,724.05/4,086.31 = 1,058.13/x
  3. Step 3: Cross multiply
    2,724.05x = 4,086.31 × 1,058.13
  4. Step 4: Simplify right side
    2,724.05x = 4,323,821.48
  5. Step 5: Solve for x
    x = 4,323,821.48/2,724.05
  6. Step 6: Final answer
    x = 1,587.28

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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.