Home / 3,118.91-4,672.08-1,477.04

Finding the Fourth Proportional to 3,118.91, 4,672.08 and 1,477.04

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Solution

The fourth proportional to 3,118.91, 4,672.08 and 1,477.04 is: 2,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.91 : 4,672.08 = 1,477.04 : x
  2. Step 2: Convert to fraction form
    3,118.91/4,672.08 = 1,477.04/x
  3. Step 3: Cross multiply
    3,118.91x = 4,672.08 × 1,477.04
  4. Step 4: Simplify right side
    3,118.91x = 6,900,825.68
  5. Step 5: Solve for x
    x = 6,900,825.68/3,118.91
  6. Step 6: Final answer
    x = 2,212.58

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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.