Home / 1,515.52-2,263.96-1,269.44

Finding the Fourth Proportional to 1,515.52, 2,263.96 and 1,269.44

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Solution

The fourth proportional to 1,515.52, 2,263.96 and 1,269.44 is: 1,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.52 : 2,263.96 = 1,269.44 : x
  2. Step 2: Convert to fraction form
    1,515.52/2,263.96 = 1,269.44/x
  3. Step 3: Cross multiply
    1,515.52x = 2,263.96 × 1,269.44
  4. Step 4: Simplify right side
    1,515.52x = 2,873,961.38
  5. Step 5: Solve for x
    x = 2,873,961.38/1,515.52
  6. Step 6: Final answer
    x = 1,896.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.