Home / 3,871.04-5,343.41-2,299.13

Finding the Fourth Proportional to 3,871.04, 5,343.41 and 2,299.13

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Solution

The fourth proportional to 3,871.04, 5,343.41 and 2,299.13 is: 3,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.04 : 5,343.41 = 2,299.13 : x
  2. Step 2: Convert to fraction form
    3,871.04/5,343.41 = 2,299.13/x
  3. Step 3: Cross multiply
    3,871.04x = 5,343.41 × 2,299.13
  4. Step 4: Simplify right side
    3,871.04x = 12,285,173.26
  5. Step 5: Solve for x
    x = 12,285,173.26/3,871.04
  6. Step 6: Final answer
    x = 3,173.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.