Home / 2,831.44-4,248.12-2,487.76

Finding the Fourth Proportional to 2,831.44, 4,248.12 and 2,487.76

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Solution

The fourth proportional to 2,831.44, 4,248.12 and 2,487.76 is: 3,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.44 : 4,248.12 = 2,487.76 : x
  2. Step 2: Convert to fraction form
    2,831.44/4,248.12 = 2,487.76/x
  3. Step 3: Cross multiply
    2,831.44x = 4,248.12 × 2,487.76
  4. Step 4: Simplify right side
    2,831.44x = 10,568,303.01
  5. Step 5: Solve for x
    x = 10,568,303.01/2,831.44
  6. Step 6: Final answer
    x = 3,732.48

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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.