Home / 3,065.34-4,227.48-2,017.20

Finding the Fourth Proportional to 3,065.34, 4,227.48 and 2,017.20

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Solution

The fourth proportional to 3,065.34, 4,227.48 and 2,017.20 is: 2,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.34 : 4,227.48 = 2,017.20 : x
  2. Step 2: Convert to fraction form
    3,065.34/4,227.48 = 2,017.20/x
  3. Step 3: Cross multiply
    3,065.34x = 4,227.48 × 2,017.20
  4. Step 4: Simplify right side
    3,065.34x = 8,527,672.66
  5. Step 5: Solve for x
    x = 8,527,672.66/3,065.34
  6. Step 6: Final answer
    x = 2,781.97

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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.