Home / 3,412.75-5,117.74-1,332.46

Finding the Fourth Proportional to 3,412.75, 5,117.74 and 1,332.46

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Solution

The fourth proportional to 3,412.75, 5,117.74 and 1,332.46 is: 1,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.75 : 5,117.74 = 1,332.46 : x
  2. Step 2: Convert to fraction form
    3,412.75/5,117.74 = 1,332.46/x
  3. Step 3: Cross multiply
    3,412.75x = 5,117.74 × 1,332.46
  4. Step 4: Simplify right side
    3,412.75x = 6,819,183.84
  5. Step 5: Solve for x
    x = 6,819,183.84/3,412.75
  6. Step 6: Final answer
    x = 1,998.15

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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.