Home / 2,529.85-3,489.86-2,058.27

Finding the Fourth Proportional to 2,529.85, 3,489.86 and 2,058.27

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Solution

The fourth proportional to 2,529.85, 3,489.86 and 2,058.27 is: 2,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.85 : 3,489.86 = 2,058.27 : x
  2. Step 2: Convert to fraction form
    2,529.85/3,489.86 = 2,058.27/x
  3. Step 3: Cross multiply
    2,529.85x = 3,489.86 × 2,058.27
  4. Step 4: Simplify right side
    2,529.85x = 7,183,079.29
  5. Step 5: Solve for x
    x = 7,183,079.29/2,529.85
  6. Step 6: Final answer
    x = 2,839.33

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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.