Home / 2,711.52-4,065.30-1,831.84

Finding the Fourth Proportional to 2,711.52, 4,065.30 and 1,831.84

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Solution

The fourth proportional to 2,711.52, 4,065.30 and 1,831.84 is: 2,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.52 : 4,065.30 = 1,831.84 : x
  2. Step 2: Convert to fraction form
    2,711.52/4,065.30 = 1,831.84/x
  3. Step 3: Cross multiply
    2,711.52x = 4,065.30 × 1,831.84
  4. Step 4: Simplify right side
    2,711.52x = 7,446,979.15
  5. Step 5: Solve for x
    x = 7,446,979.15/2,711.52
  6. Step 6: Final answer
    x = 2,746.42

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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.