Home / 2,766.95-4,151.33-1,305.91

Finding the Fourth Proportional to 2,766.95, 4,151.33 and 1,305.91

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Solution

The fourth proportional to 2,766.95, 4,151.33 and 1,305.91 is: 1,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.95 : 4,151.33 = 1,305.91 : x
  2. Step 2: Convert to fraction form
    2,766.95/4,151.33 = 1,305.91/x
  3. Step 3: Cross multiply
    2,766.95x = 4,151.33 × 1,305.91
  4. Step 4: Simplify right side
    2,766.95x = 5,421,263.36
  5. Step 5: Solve for x
    x = 5,421,263.36/2,766.95
  6. Step 6: Final answer
    x = 1,959.29

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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.