Home / 3,712.57-5,566.81-1,212.56

Finding the Fourth Proportional to 3,712.57, 5,566.81 and 1,212.56

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Solution

The fourth proportional to 3,712.57, 5,566.81 and 1,212.56 is: 1,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.57 : 5,566.81 = 1,212.56 : x
  2. Step 2: Convert to fraction form
    3,712.57/5,566.81 = 1,212.56/x
  3. Step 3: Cross multiply
    3,712.57x = 5,566.81 × 1,212.56
  4. Step 4: Simplify right side
    3,712.57x = 6,750,091.13
  5. Step 5: Solve for x
    x = 6,750,091.13/3,712.57
  6. Step 6: Final answer
    x = 1,818.17

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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.