Home / 2,831.88-4,243.33-1,904.02

Finding the Fourth Proportional to 2,831.88, 4,243.33 and 1,904.02

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Solution

The fourth proportional to 2,831.88, 4,243.33 and 1,904.02 is: 2,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.88 : 4,243.33 = 1,904.02 : x
  2. Step 2: Convert to fraction form
    2,831.88/4,243.33 = 1,904.02/x
  3. Step 3: Cross multiply
    2,831.88x = 4,243.33 × 1,904.02
  4. Step 4: Simplify right side
    2,831.88x = 8,079,385.19
  5. Step 5: Solve for x
    x = 8,079,385.19/2,831.88
  6. Step 6: Final answer
    x = 2,853.01

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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.