Home / 3,720.45-5,134.15-2,041.88

Finding the Fourth Proportional to 3,720.45, 5,134.15 and 2,041.88

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Solution

The fourth proportional to 3,720.45, 5,134.15 and 2,041.88 is: 2,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.45 : 5,134.15 = 2,041.88 : x
  2. Step 2: Convert to fraction form
    3,720.45/5,134.15 = 2,041.88/x
  3. Step 3: Cross multiply
    3,720.45x = 5,134.15 × 2,041.88
  4. Step 4: Simplify right side
    3,720.45x = 10,483,295.08
  5. Step 5: Solve for x
    x = 10,483,295.08/3,720.45
  6. Step 6: Final answer
    x = 2,817.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.