Home / 3,777.27-5,664.20-1,143.76

Finding the Fourth Proportional to 3,777.27, 5,664.20 and 1,143.76

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Solution

The fourth proportional to 3,777.27, 5,664.20 and 1,143.76 is: 1,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.27 : 5,664.20 = 1,143.76 : x
  2. Step 2: Convert to fraction form
    3,777.27/5,664.20 = 1,143.76/x
  3. Step 3: Cross multiply
    3,777.27x = 5,664.20 × 1,143.76
  4. Step 4: Simplify right side
    3,777.27x = 6,478,485.39
  5. Step 5: Solve for x
    x = 6,478,485.39/3,777.27
  6. Step 6: Final answer
    x = 1,715.12

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1.5x scale

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.