Home / 3,017.35-4,520.31-1,781.08

Finding the Fourth Proportional to 3,017.35, 4,520.31 and 1,781.08

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Solution

The fourth proportional to 3,017.35, 4,520.31 and 1,781.08 is: 2,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.35 : 4,520.31 = 1,781.08 : x
  2. Step 2: Convert to fraction form
    3,017.35/4,520.31 = 1,781.08/x
  3. Step 3: Cross multiply
    3,017.35x = 4,520.31 × 1,781.08
  4. Step 4: Simplify right side
    3,017.35x = 8,051,033.73
  5. Step 5: Solve for x
    x = 8,051,033.73/3,017.35
  6. Step 6: Final answer
    x = 2,668.25

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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.