Home / 2,794.40-4,190.70-1,151

Finding the Fourth Proportional to 2,794.40, 4,190.70 and 1,151

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Solution

The fourth proportional to 2,794.40, 4,190.70 and 1,151 is: 1,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.40 : 4,190.70 = 1,151 : x
  2. Step 2: Convert to fraction form
    2,794.40/4,190.70 = 1,151/x
  3. Step 3: Cross multiply
    2,794.40x = 4,190.70 × 1,151
  4. Step 4: Simplify right side
    2,794.40x = 4,823,495.70
  5. Step 5: Solve for x
    x = 4,823,495.70/2,794.40
  6. Step 6: Final answer
    x = 1,726.13

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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.