Home / 3,931.80-5,887.97-2,283.36

Finding the Fourth Proportional to 3,931.80, 5,887.97 and 2,283.36

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Solution

The fourth proportional to 3,931.80, 5,887.97 and 2,283.36 is: 3,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.80 : 5,887.97 = 2,283.36 : x
  2. Step 2: Convert to fraction form
    3,931.80/5,887.97 = 2,283.36/x
  3. Step 3: Cross multiply
    3,931.80x = 5,887.97 × 2,283.36
  4. Step 4: Simplify right side
    3,931.80x = 13,444,355.18
  5. Step 5: Solve for x
    x = 13,444,355.18/3,931.80
  6. Step 6: Final answer
    x = 3,419.39

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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.