Home / 3,842.38-5,763.32-1,377.06

Finding the Fourth Proportional to 3,842.38, 5,763.32 and 1,377.06

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Solution

The fourth proportional to 3,842.38, 5,763.32 and 1,377.06 is: 2,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.38 : 5,763.32 = 1,377.06 : x
  2. Step 2: Convert to fraction form
    3,842.38/5,763.32 = 1,377.06/x
  3. Step 3: Cross multiply
    3,842.38x = 5,763.32 × 1,377.06
  4. Step 4: Simplify right side
    3,842.38x = 7,936,437.44
  5. Step 5: Solve for x
    x = 7,936,437.44/3,842.38
  6. Step 6: Final answer
    x = 2,065.50

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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.