Home / 2,874.32-4,311.98-1,487.26

Finding the Fourth Proportional to 2,874.32, 4,311.98 and 1,487.26

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Solution

The fourth proportional to 2,874.32, 4,311.98 and 1,487.26 is: 2,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.32 : 4,311.98 = 1,487.26 : x
  2. Step 2: Convert to fraction form
    2,874.32/4,311.98 = 1,487.26/x
  3. Step 3: Cross multiply
    2,874.32x = 4,311.98 × 1,487.26
  4. Step 4: Simplify right side
    2,874.32x = 6,413,035.37
  5. Step 5: Solve for x
    x = 6,413,035.37/2,874.32
  6. Step 6: Final answer
    x = 2,231.15

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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.