Home / 3,805.83-5,708.61-1,340.58

Finding the Fourth Proportional to 3,805.83, 5,708.61 and 1,340.58

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Solution

The fourth proportional to 3,805.83, 5,708.61 and 1,340.58 is: 2,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.83 : 5,708.61 = 1,340.58 : x
  2. Step 2: Convert to fraction form
    3,805.83/5,708.61 = 1,340.58/x
  3. Step 3: Cross multiply
    3,805.83x = 5,708.61 × 1,340.58
  4. Step 4: Simplify right side
    3,805.83x = 7,652,853.75
  5. Step 5: Solve for x
    x = 7,652,853.75/3,805.83
  6. Step 6: Final answer
    x = 2,010.83

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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.