Home / 3,781.27-5,673.12-1,590.09

Finding the Fourth Proportional to 3,781.27, 5,673.12 and 1,590.09

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Solution

The fourth proportional to 3,781.27, 5,673.12 and 1,590.09 is: 2,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.27 : 5,673.12 = 1,590.09 : x
  2. Step 2: Convert to fraction form
    3,781.27/5,673.12 = 1,590.09/x
  3. Step 3: Cross multiply
    3,781.27x = 5,673.12 × 1,590.09
  4. Step 4: Simplify right side
    3,781.27x = 9,020,771.38
  5. Step 5: Solve for x
    x = 9,020,771.38/3,781.27
  6. Step 6: Final answer
    x = 2,385.65

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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.