Home / 3,831.18-5,283.27-2,431.50

Finding the Fourth Proportional to 3,831.18, 5,283.27 and 2,431.50

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Solution

The fourth proportional to 3,831.18, 5,283.27 and 2,431.50 is: 3,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.18 : 5,283.27 = 2,431.50 : x
  2. Step 2: Convert to fraction form
    3,831.18/5,283.27 = 2,431.50/x
  3. Step 3: Cross multiply
    3,831.18x = 5,283.27 × 2,431.50
  4. Step 4: Simplify right side
    3,831.18x = 12,846,271.01
  5. Step 5: Solve for x
    x = 12,846,271.01/3,831.18
  6. Step 6: Final answer
    x = 3,353.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.