Home / 3,722.12-5,577.90-2,740.52

Finding the Fourth Proportional to 3,722.12, 5,577.90 and 2,740.52

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Solution

The fourth proportional to 3,722.12, 5,577.90 and 2,740.52 is: 4,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.12 : 5,577.90 = 2,740.52 : x
  2. Step 2: Convert to fraction form
    3,722.12/5,577.90 = 2,740.52/x
  3. Step 3: Cross multiply
    3,722.12x = 5,577.90 × 2,740.52
  4. Step 4: Simplify right side
    3,722.12x = 15,286,346.51
  5. Step 5: Solve for x
    x = 15,286,346.51/3,722.12
  6. Step 6: Final answer
    x = 4,106.89

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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.