Home / 3,781.16-5,672.35-1,590.52

Finding the Fourth Proportional to 3,781.16, 5,672.35 and 1,590.52

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Solution

The fourth proportional to 3,781.16, 5,672.35 and 1,590.52 is: 2,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.16 : 5,672.35 = 1,590.52 : x
  2. Step 2: Convert to fraction form
    3,781.16/5,672.35 = 1,590.52/x
  3. Step 3: Cross multiply
    3,781.16x = 5,672.35 × 1,590.52
  4. Step 4: Simplify right side
    3,781.16x = 9,021,971.94
  5. Step 5: Solve for x
    x = 9,021,971.94/3,781.16
  6. Step 6: Final answer
    x = 2,386.03

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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.