Home / 3,722.76-5,577.12-2,897.04

Finding the Fourth Proportional to 3,722.76, 5,577.12 and 2,897.04

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Solution

The fourth proportional to 3,722.76, 5,577.12 and 2,897.04 is: 4,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.76 : 5,577.12 = 2,897.04 : x
  2. Step 2: Convert to fraction form
    3,722.76/5,577.12 = 2,897.04/x
  3. Step 3: Cross multiply
    3,722.76x = 5,577.12 × 2,897.04
  4. Step 4: Simplify right side
    3,722.76x = 16,157,139.72
  5. Step 5: Solve for x
    x = 16,157,139.72/3,722.76
  6. Step 6: Final answer
    x = 4,340.10

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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.