Home / 3,158.39-4,358.61-1,742.14

Finding the Fourth Proportional to 3,158.39, 4,358.61 and 1,742.14

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Solution

The fourth proportional to 3,158.39, 4,358.61 and 1,742.14 is: 2,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.39 : 4,358.61 = 1,742.14 : x
  2. Step 2: Convert to fraction form
    3,158.39/4,358.61 = 1,742.14/x
  3. Step 3: Cross multiply
    3,158.39x = 4,358.61 × 1,742.14
  4. Step 4: Simplify right side
    3,158.39x = 7,593,297.93
  5. Step 5: Solve for x
    x = 7,593,297.93/3,158.39
  6. Step 6: Final answer
    x = 2,404.17

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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.