Home / 3,436.62-5,157.04-1,587.98

Finding the Fourth Proportional to 3,436.62, 5,157.04 and 1,587.98

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Solution

The fourth proportional to 3,436.62, 5,157.04 and 1,587.98 is: 2,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.62 : 5,157.04 = 1,587.98 : x
  2. Step 2: Convert to fraction form
    3,436.62/5,157.04 = 1,587.98/x
  3. Step 3: Cross multiply
    3,436.62x = 5,157.04 × 1,587.98
  4. Step 4: Simplify right side
    3,436.62x = 8,189,276.38
  5. Step 5: Solve for x
    x = 8,189,276.38/3,436.62
  6. Step 6: Final answer
    x = 2,382.94

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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.