Home / 4,112.15-5,671.67-2,853.21

Finding the Fourth Proportional to 4,112.15, 5,671.67 and 2,853.21

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Solution

The fourth proportional to 4,112.15, 5,671.67 and 2,853.21 is: 3,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.15 : 5,671.67 = 2,853.21 : x
  2. Step 2: Convert to fraction form
    4,112.15/5,671.67 = 2,853.21/x
  3. Step 3: Cross multiply
    4,112.15x = 5,671.67 × 2,853.21
  4. Step 4: Simplify right side
    4,112.15x = 16,182,451.29
  5. Step 5: Solve for x
    x = 16,182,451.29/4,112.15
  6. Step 6: Final answer
    x = 3,935.28

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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.