Home / 3,451.60-5,172.28-1,717.84

Finding the Fourth Proportional to 3,451.60, 5,172.28 and 1,717.84

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Solution

The fourth proportional to 3,451.60, 5,172.28 and 1,717.84 is: 2,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.60 : 5,172.28 = 1,717.84 : x
  2. Step 2: Convert to fraction form
    3,451.60/5,172.28 = 1,717.84/x
  3. Step 3: Cross multiply
    3,451.60x = 5,172.28 × 1,717.84
  4. Step 4: Simplify right side
    3,451.60x = 8,885,149.48
  5. Step 5: Solve for x
    x = 8,885,149.48/3,451.60
  6. Step 6: Final answer
    x = 2,574.21

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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.