Home / 3,788.31-5,673.65-3,656.94

Finding the Fourth Proportional to 3,788.31, 5,673.65 and 3,656.94

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Solution

The fourth proportional to 3,788.31, 5,673.65 and 3,656.94 is: 5,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.31 : 5,673.65 = 3,656.94 : x
  2. Step 2: Convert to fraction form
    3,788.31/5,673.65 = 3,656.94/x
  3. Step 3: Cross multiply
    3,788.31x = 5,673.65 × 3,656.94
  4. Step 4: Simplify right side
    3,788.31x = 20,748,197.63
  5. Step 5: Solve for x
    x = 20,748,197.63/3,788.31
  6. Step 6: Final answer
    x = 5,476.90

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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.