Home / 1,517.37-2,276.07-695.43

Finding the Fourth Proportional to 1,517.37, 2,276.07 and 695.43

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Solution

The fourth proportional to 1,517.37, 2,276.07 and 695.43 is: 1,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.37 : 2,276.07 = 695.43 : x
  2. Step 2: Convert to fraction form
    1,517.37/2,276.07 = 695.43/x
  3. Step 3: Cross multiply
    1,517.37x = 2,276.07 × 695.43
  4. Step 4: Simplify right side
    1,517.37x = 1,582,847.36
  5. Step 5: Solve for x
    x = 1,582,847.36/1,517.37
  6. Step 6: Final answer
    x = 1,043.15

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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.