Home / 3,153.85-4,730.01-1,397.88

Finding the Fourth Proportional to 3,153.85, 4,730.01 and 1,397.88

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Solution

The fourth proportional to 3,153.85, 4,730.01 and 1,397.88 is: 2,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.85 : 4,730.01 = 1,397.88 : x
  2. Step 2: Convert to fraction form
    3,153.85/4,730.01 = 1,397.88/x
  3. Step 3: Cross multiply
    3,153.85x = 4,730.01 × 1,397.88
  4. Step 4: Simplify right side
    3,153.85x = 6,611,986.38
  5. Step 5: Solve for x
    x = 6,611,986.38/3,153.85
  6. Step 6: Final answer
    x = 2,096.48

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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.