Home / 3,756.22-5,637.84-1,908.66

Finding the Fourth Proportional to 3,756.22, 5,637.84 and 1,908.66

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Solution

The fourth proportional to 3,756.22, 5,637.84 and 1,908.66 is: 2,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.22 : 5,637.84 = 1,908.66 : x
  2. Step 2: Convert to fraction form
    3,756.22/5,637.84 = 1,908.66/x
  3. Step 3: Cross multiply
    3,756.22x = 5,637.84 × 1,908.66
  4. Step 4: Simplify right side
    3,756.22x = 10,760,719.69
  5. Step 5: Solve for x
    x = 10,760,719.69/3,756.22
  6. Step 6: Final answer
    x = 2,864.77

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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.