Home / 2,478.14-3,716.33-1,161.68

Finding the Fourth Proportional to 2,478.14, 3,716.33 and 1,161.68

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Solution

The fourth proportional to 2,478.14, 3,716.33 and 1,161.68 is: 1,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.14 : 3,716.33 = 1,161.68 : x
  2. Step 2: Convert to fraction form
    2,478.14/3,716.33 = 1,161.68/x
  3. Step 3: Cross multiply
    2,478.14x = 3,716.33 × 1,161.68
  4. Step 4: Simplify right side
    2,478.14x = 4,317,168.38
  5. Step 5: Solve for x
    x = 4,317,168.38/2,478.14
  6. Step 6: Final answer
    x = 1,742.10

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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.