Home / 3,178.28-4,384.42-2,058.92

Finding the Fourth Proportional to 3,178.28, 4,384.42 and 2,058.92

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Solution

The fourth proportional to 3,178.28, 4,384.42 and 2,058.92 is: 2,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.28 : 4,384.42 = 2,058.92 : x
  2. Step 2: Convert to fraction form
    3,178.28/4,384.42 = 2,058.92/x
  3. Step 3: Cross multiply
    3,178.28x = 4,384.42 × 2,058.92
  4. Step 4: Simplify right side
    3,178.28x = 9,027,170.03
  5. Step 5: Solve for x
    x = 9,027,170.03/3,178.28
  6. Step 6: Final answer
    x = 2,840.27

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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.