Home / 3,154.46-4,730.88-1,306.10

Finding the Fourth Proportional to 3,154.46, 4,730.88 and 1,306.10

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Solution

The fourth proportional to 3,154.46, 4,730.88 and 1,306.10 is: 1,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.46 : 4,730.88 = 1,306.10 : x
  2. Step 2: Convert to fraction form
    3,154.46/4,730.88 = 1,306.10/x
  3. Step 3: Cross multiply
    3,154.46x = 4,730.88 × 1,306.10
  4. Step 4: Simplify right side
    3,154.46x = 6,179,002.37
  5. Step 5: Solve for x
    x = 6,179,002.37/3,154.46
  6. Step 6: Final answer
    x = 1,958.81

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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.