Home / 3,327-4,587.30-2,911.56

Finding the Fourth Proportional to 3,327, 4,587.30 and 2,911.56

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Solution

The fourth proportional to 3,327, 4,587.30 and 2,911.56 is: 4,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327 : 4,587.30 = 2,911.56 : x
  2. Step 2: Convert to fraction form
    3,327/4,587.30 = 2,911.56/x
  3. Step 3: Cross multiply
    3,327x = 4,587.30 × 2,911.56
  4. Step 4: Simplify right side
    3,327x = 13,356,199.19
  5. Step 5: Solve for x
    x = 13,356,199.19/3,327
  6. Step 6: Final answer
    x = 4,014.49

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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.