Home / 3,115.82-4,673.75-1,471.52

Finding the Fourth Proportional to 3,115.82, 4,673.75 and 1,471.52

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Solution

The fourth proportional to 3,115.82, 4,673.75 and 1,471.52 is: 2,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.82 : 4,673.75 = 1,471.52 : x
  2. Step 2: Convert to fraction form
    3,115.82/4,673.75 = 1,471.52/x
  3. Step 3: Cross multiply
    3,115.82x = 4,673.75 × 1,471.52
  4. Step 4: Simplify right side
    3,115.82x = 6,877,520.93
  5. Step 5: Solve for x
    x = 6,877,520.93/3,115.82
  6. Step 6: Final answer
    x = 2,207.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.