Home / 3,805.15-5,708.43-1,341.53

Finding the Fourth Proportional to 3,805.15, 5,708.43 and 1,341.53

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Solution

The fourth proportional to 3,805.15, 5,708.43 and 1,341.53 is: 2,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.15 : 5,708.43 = 1,341.53 : x
  2. Step 2: Convert to fraction form
    3,805.15/5,708.43 = 1,341.53/x
  3. Step 3: Cross multiply
    3,805.15x = 5,708.43 × 1,341.53
  4. Step 4: Simplify right side
    3,805.15x = 7,658,044.37
  5. Step 5: Solve for x
    x = 7,658,044.37/3,805.15
  6. Step 6: Final answer
    x = 2,012.55

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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.