Home / 3,691.04-5,096.12-2,811.36

Finding the Fourth Proportional to 3,691.04, 5,096.12 and 2,811.36

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Solution

The fourth proportional to 3,691.04, 5,096.12 and 2,811.36 is: 3,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.04 : 5,096.12 = 2,811.36 : x
  2. Step 2: Convert to fraction form
    3,691.04/5,096.12 = 2,811.36/x
  3. Step 3: Cross multiply
    3,691.04x = 5,096.12 × 2,811.36
  4. Step 4: Simplify right side
    3,691.04x = 14,327,027.92
  5. Step 5: Solve for x
    x = 14,327,027.92/3,691.04
  6. Step 6: Final answer
    x = 3,881.57

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1.5x scale

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.