Home / 3,904.74-5,857.65-1,308.42

Finding the Fourth Proportional to 3,904.74, 5,857.65 and 1,308.42

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Solution

The fourth proportional to 3,904.74, 5,857.65 and 1,308.42 is: 1,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.74 : 5,857.65 = 1,308.42 : x
  2. Step 2: Convert to fraction form
    3,904.74/5,857.65 = 1,308.42/x
  3. Step 3: Cross multiply
    3,904.74x = 5,857.65 × 1,308.42
  4. Step 4: Simplify right side
    3,904.74x = 7,664,266.41
  5. Step 5: Solve for x
    x = 7,664,266.41/3,904.74
  6. Step 6: Final answer
    x = 1,962.81

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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.