Home / 3,153.80-4,731.62-1,304.57

Finding the Fourth Proportional to 3,153.80, 4,731.62 and 1,304.57

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Solution

The fourth proportional to 3,153.80, 4,731.62 and 1,304.57 is: 1,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.80 : 4,731.62 = 1,304.57 : x
  2. Step 2: Convert to fraction form
    3,153.80/4,731.62 = 1,304.57/x
  3. Step 3: Cross multiply
    3,153.80x = 4,731.62 × 1,304.57
  4. Step 4: Simplify right side
    3,153.80x = 6,172,734.81
  5. Step 5: Solve for x
    x = 6,172,734.81/3,153.80
  6. Step 6: Final answer
    x = 1,957.24

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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.