Home / 3,776.36-5,664.35-1,143.74

Finding the Fourth Proportional to 3,776.36, 5,664.35 and 1,143.74

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Solution

The fourth proportional to 3,776.36, 5,664.35 and 1,143.74 is: 1,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.36 : 5,664.35 = 1,143.74 : x
  2. Step 2: Convert to fraction form
    3,776.36/5,664.35 = 1,143.74/x
  3. Step 3: Cross multiply
    3,776.36x = 5,664.35 × 1,143.74
  4. Step 4: Simplify right side
    3,776.36x = 6,478,560.69
  5. Step 5: Solve for x
    x = 6,478,560.69/3,776.36
  6. Step 6: Final answer
    x = 1,715.56

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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.