Home / 2,615.02-3,917.40-1,517.07

Finding the Fourth Proportional to 2,615.02, 3,917.40 and 1,517.07

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Solution

The fourth proportional to 2,615.02, 3,917.40 and 1,517.07 is: 2,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.02 : 3,917.40 = 1,517.07 : x
  2. Step 2: Convert to fraction form
    2,615.02/3,917.40 = 1,517.07/x
  3. Step 3: Cross multiply
    2,615.02x = 3,917.40 × 1,517.07
  4. Step 4: Simplify right side
    2,615.02x = 5,942,979.02
  5. Step 5: Solve for x
    x = 5,942,979.02/2,615.02
  6. Step 6: Final answer
    x = 2,272.63

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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.