Home / 3,388.62-5,058.39-2,929.35

Finding the Fourth Proportional to 3,388.62, 5,058.39 and 2,929.35

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Solution

The fourth proportional to 3,388.62, 5,058.39 and 2,929.35 is: 4,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.62 : 5,058.39 = 2,929.35 : x
  2. Step 2: Convert to fraction form
    3,388.62/5,058.39 = 2,929.35/x
  3. Step 3: Cross multiply
    3,388.62x = 5,058.39 × 2,929.35
  4. Step 4: Simplify right side
    3,388.62x = 14,817,794.75
  5. Step 5: Solve for x
    x = 14,817,794.75/3,388.62
  6. Step 6: Final answer
    x = 4,372.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.