Home / 1,474.77-2,211.71-1,243.74

Finding the Fourth Proportional to 1,474.77, 2,211.71 and 1,243.74

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Solution

The fourth proportional to 1,474.77, 2,211.71 and 1,243.74 is: 1,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.77 : 2,211.71 = 1,243.74 : x
  2. Step 2: Convert to fraction form
    1,474.77/2,211.71 = 1,243.74/x
  3. Step 3: Cross multiply
    1,474.77x = 2,211.71 × 1,243.74
  4. Step 4: Simplify right side
    1,474.77x = 2,750,785.98
  5. Step 5: Solve for x
    x = 2,750,785.98/1,474.77
  6. Step 6: Final answer
    x = 1,865.23

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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.