Home / 2,887.24-3,982.98-1,707.88

Finding the Fourth Proportional to 2,887.24, 3,982.98 and 1,707.88

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Solution

The fourth proportional to 2,887.24, 3,982.98 and 1,707.88 is: 2,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.24 : 3,982.98 = 1,707.88 : x
  2. Step 2: Convert to fraction form
    2,887.24/3,982.98 = 1,707.88/x
  3. Step 3: Cross multiply
    2,887.24x = 3,982.98 × 1,707.88
  4. Step 4: Simplify right side
    2,887.24x = 6,802,451.88
  5. Step 5: Solve for x
    x = 6,802,451.88/2,887.24
  6. Step 6: Final answer
    x = 2,356.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.