Home / 3,017.18-4,520.16-1,781.12

Finding the Fourth Proportional to 3,017.18, 4,520.16 and 1,781.12

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Solution

The fourth proportional to 3,017.18, 4,520.16 and 1,781.12 is: 2,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.18 : 4,520.16 = 1,781.12 : x
  2. Step 2: Convert to fraction form
    3,017.18/4,520.16 = 1,781.12/x
  3. Step 3: Cross multiply
    3,017.18x = 4,520.16 × 1,781.12
  4. Step 4: Simplify right side
    3,017.18x = 8,050,947.38
  5. Step 5: Solve for x
    x = 8,050,947.38/3,017.18
  6. Step 6: Final answer
    x = 2,668.37

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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.