Home / 2,887.04-3,982.48-1,707.68

Finding the Fourth Proportional to 2,887.04, 3,982.48 and 1,707.68

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Solution

The fourth proportional to 2,887.04, 3,982.48 and 1,707.68 is: 2,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.04 : 3,982.48 = 1,707.68 : x
  2. Step 2: Convert to fraction form
    2,887.04/3,982.48 = 1,707.68/x
  3. Step 3: Cross multiply
    2,887.04x = 3,982.48 × 1,707.68
  4. Step 4: Simplify right side
    2,887.04x = 6,800,801.45
  5. Step 5: Solve for x
    x = 6,800,801.45/2,887.04
  6. Step 6: Final answer
    x = 2,355.63

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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.