Home / 3,718.44-5,576.76-1,527.78

Finding the Fourth Proportional to 3,718.44, 5,576.76 and 1,527.78

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Solution

The fourth proportional to 3,718.44, 5,576.76 and 1,527.78 is: 2,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.44 : 5,576.76 = 1,527.78 : x
  2. Step 2: Convert to fraction form
    3,718.44/5,576.76 = 1,527.78/x
  3. Step 3: Cross multiply
    3,718.44x = 5,576.76 × 1,527.78
  4. Step 4: Simplify right side
    3,718.44x = 8,520,062.39
  5. Step 5: Solve for x
    x = 8,520,062.39/3,718.44
  6. Step 6: Final answer
    x = 2,291.30

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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.