Home / 3,154.50-4,731.75-1,304.28

Finding the Fourth Proportional to 3,154.50, 4,731.75 and 1,304.28

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Solution

The fourth proportional to 3,154.50, 4,731.75 and 1,304.28 is: 1,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.50 : 4,731.75 = 1,304.28 : x
  2. Step 2: Convert to fraction form
    3,154.50/4,731.75 = 1,304.28/x
  3. Step 3: Cross multiply
    3,154.50x = 4,731.75 × 1,304.28
  4. Step 4: Simplify right side
    3,154.50x = 6,171,526.89
  5. Step 5: Solve for x
    x = 6,171,526.89/3,154.50
  6. Step 6: Final answer
    x = 1,956.42

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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.