Home / 1,511.60-2,268.94-1,339.38

Finding the Fourth Proportional to 1,511.60, 2,268.94 and 1,339.38

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Solution

The fourth proportional to 1,511.60, 2,268.94 and 1,339.38 is: 2,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.60 : 2,268.94 = 1,339.38 : x
  2. Step 2: Convert to fraction form
    1,511.60/2,268.94 = 1,339.38/x
  3. Step 3: Cross multiply
    1,511.60x = 2,268.94 × 1,339.38
  4. Step 4: Simplify right side
    1,511.60x = 3,038,972.86
  5. Step 5: Solve for x
    x = 3,038,972.86/1,511.60
  6. Step 6: Final answer
    x = 2,010.43

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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.