Home / 3,810.90-5,720.44-3,374.85

Finding the Fourth Proportional to 3,810.90, 5,720.44 and 3,374.85

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Solution

The fourth proportional to 3,810.90, 5,720.44 and 3,374.85 is: 5,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.90 : 5,720.44 = 3,374.85 : x
  2. Step 2: Convert to fraction form
    3,810.90/5,720.44 = 3,374.85/x
  3. Step 3: Cross multiply
    3,810.90x = 5,720.44 × 3,374.85
  4. Step 4: Simplify right side
    3,810.90x = 19,305,626.93
  5. Step 5: Solve for x
    x = 19,305,626.93/3,810.90
  6. Step 6: Final answer
    x = 5,065.90

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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.