Home / 2,871.16-4,299.42-1,895.80

Finding the Fourth Proportional to 2,871.16, 4,299.42 and 1,895.80

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Solution

The fourth proportional to 2,871.16, 4,299.42 and 1,895.80 is: 2,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.16 : 4,299.42 = 1,895.80 : x
  2. Step 2: Convert to fraction form
    2,871.16/4,299.42 = 1,895.80/x
  3. Step 3: Cross multiply
    2,871.16x = 4,299.42 × 1,895.80
  4. Step 4: Simplify right side
    2,871.16x = 8,150,840.44
  5. Step 5: Solve for x
    x = 8,150,840.44/2,871.16
  6. Step 6: Final answer
    x = 2,838.87

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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.