Home / 3,918.84-5,877.96-1,727.58

Finding the Fourth Proportional to 3,918.84, 5,877.96 and 1,727.58

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Solution

The fourth proportional to 3,918.84, 5,877.96 and 1,727.58 is: 2,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.84 : 5,877.96 = 1,727.58 : x
  2. Step 2: Convert to fraction form
    3,918.84/5,877.96 = 1,727.58/x
  3. Step 3: Cross multiply
    3,918.84x = 5,877.96 × 1,727.58
  4. Step 4: Simplify right side
    3,918.84x = 10,154,646.14
  5. Step 5: Solve for x
    x = 10,154,646.14/3,918.84
  6. Step 6: Final answer
    x = 2,591.24

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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.