Home / 3,154.09-4,731.71-1,304.20

Finding the Fourth Proportional to 3,154.09, 4,731.71 and 1,304.20

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Solution

The fourth proportional to 3,154.09, 4,731.71 and 1,304.20 is: 1,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.09 : 4,731.71 = 1,304.20 : x
  2. Step 2: Convert to fraction form
    3,154.09/4,731.71 = 1,304.20/x
  3. Step 3: Cross multiply
    3,154.09x = 4,731.71 × 1,304.20
  4. Step 4: Simplify right side
    3,154.09x = 6,171,089.66
  5. Step 5: Solve for x
    x = 6,171,089.66/3,154.09
  6. Step 6: Final answer
    x = 1,956.54

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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.