Home / 2,633.79-3,951.41-1,152.74

Finding the Fourth Proportional to 2,633.79, 3,951.41 and 1,152.74

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Solution

The fourth proportional to 2,633.79, 3,951.41 and 1,152.74 is: 1,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.79 : 3,951.41 = 1,152.74 : x
  2. Step 2: Convert to fraction form
    2,633.79/3,951.41 = 1,152.74/x
  3. Step 3: Cross multiply
    2,633.79x = 3,951.41 × 1,152.74
  4. Step 4: Simplify right side
    2,633.79x = 4,554,948.36
  5. Step 5: Solve for x
    x = 4,554,948.36/2,633.79
  6. Step 6: Final answer
    x = 1,729.43

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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.