Home / 3,133.90-4,322.82-2,016.29

Finding the Fourth Proportional to 3,133.90, 4,322.82 and 2,016.29

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Solution

The fourth proportional to 3,133.90, 4,322.82 and 2,016.29 is: 2,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.90 : 4,322.82 = 2,016.29 : x
  2. Step 2: Convert to fraction form
    3,133.90/4,322.82 = 2,016.29/x
  3. Step 3: Cross multiply
    3,133.90x = 4,322.82 × 2,016.29
  4. Step 4: Simplify right side
    3,133.90x = 8,716,058.74
  5. Step 5: Solve for x
    x = 8,716,058.74/3,133.90
  6. Step 6: Final answer
    x = 2,781.22

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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.