Home / 2,505.60-3,751.45-1,266.95

Finding the Fourth Proportional to 2,505.60, 3,751.45 and 1,266.95

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Solution

The fourth proportional to 2,505.60, 3,751.45 and 1,266.95 is: 1,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.60 : 3,751.45 = 1,266.95 : x
  2. Step 2: Convert to fraction form
    2,505.60/3,751.45 = 1,266.95/x
  3. Step 3: Cross multiply
    2,505.60x = 3,751.45 × 1,266.95
  4. Step 4: Simplify right side
    2,505.60x = 4,752,899.58
  5. Step 5: Solve for x
    x = 4,752,899.58/2,505.60
  6. Step 6: Final answer
    x = 1,896.91

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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.