Home / 3,023.28-4,172.14-1,697

Finding the Fourth Proportional to 3,023.28, 4,172.14 and 1,697

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Solution

The fourth proportional to 3,023.28, 4,172.14 and 1,697 is: 2,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.28 : 4,172.14 = 1,697 : x
  2. Step 2: Convert to fraction form
    3,023.28/4,172.14 = 1,697/x
  3. Step 3: Cross multiply
    3,023.28x = 4,172.14 × 1,697
  4. Step 4: Simplify right side
    3,023.28x = 7,080,121.58
  5. Step 5: Solve for x
    x = 7,080,121.58/3,023.28
  6. Step 6: Final answer
    x = 2,341.87

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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.