Home / 2,211.71-3,052.08-1,326.98

Finding the Fourth Proportional to 2,211.71, 3,052.08 and 1,326.98

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Solution

The fourth proportional to 2,211.71, 3,052.08 and 1,326.98 is: 1,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.71 : 3,052.08 = 1,326.98 : x
  2. Step 2: Convert to fraction form
    2,211.71/3,052.08 = 1,326.98/x
  3. Step 3: Cross multiply
    2,211.71x = 3,052.08 × 1,326.98
  4. Step 4: Simplify right side
    2,211.71x = 4,050,056.75
  5. Step 5: Solve for x
    x = 4,050,056.75/2,211.71
  6. Step 6: Final answer
    x = 1,831.19

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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.