Home / 3,117.82-4,679.04-1,474.87

Finding the Fourth Proportional to 3,117.82, 4,679.04 and 1,474.87

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Solution

The fourth proportional to 3,117.82, 4,679.04 and 1,474.87 is: 2,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.82 : 4,679.04 = 1,474.87 : x
  2. Step 2: Convert to fraction form
    3,117.82/4,679.04 = 1,474.87/x
  3. Step 3: Cross multiply
    3,117.82x = 4,679.04 × 1,474.87
  4. Step 4: Simplify right side
    3,117.82x = 6,900,975.72
  5. Step 5: Solve for x
    x = 6,900,975.72/3,117.82
  6. Step 6: Final answer
    x = 2,213.40

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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.