Home / 3,451.11-5,173.05-1,502.79

Finding the Fourth Proportional to 3,451.11, 5,173.05 and 1,502.79

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Solution

The fourth proportional to 3,451.11, 5,173.05 and 1,502.79 is: 2,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.11 : 5,173.05 = 1,502.79 : x
  2. Step 2: Convert to fraction form
    3,451.11/5,173.05 = 1,502.79/x
  3. Step 3: Cross multiply
    3,451.11x = 5,173.05 × 1,502.79
  4. Step 4: Simplify right side
    3,451.11x = 7,774,007.81
  5. Step 5: Solve for x
    x = 7,774,007.81/3,451.11
  6. Step 6: Final answer
    x = 2,252.61

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1.5x scale

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.