Home / 1,517.54-2,273.27-694.98

Finding the Fourth Proportional to 1,517.54, 2,273.27 and 694.98

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Solution

The fourth proportional to 1,517.54, 2,273.27 and 694.98 is: 1,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.54 : 2,273.27 = 694.98 : x
  2. Step 2: Convert to fraction form
    1,517.54/2,273.27 = 694.98/x
  3. Step 3: Cross multiply
    1,517.54x = 2,273.27 × 694.98
  4. Step 4: Simplify right side
    1,517.54x = 1,579,873.71
  5. Step 5: Solve for x
    x = 1,579,873.71/1,517.54
  6. Step 6: Final answer
    x = 1,041.08

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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.