Home / 3,871.15-5,342.65-2,299.25

Finding the Fourth Proportional to 3,871.15, 5,342.65 and 2,299.25

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Solution

The fourth proportional to 3,871.15, 5,342.65 and 2,299.25 is: 3,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.15 : 5,342.65 = 2,299.25 : x
  2. Step 2: Convert to fraction form
    3,871.15/5,342.65 = 2,299.25/x
  3. Step 3: Cross multiply
    3,871.15x = 5,342.65 × 2,299.25
  4. Step 4: Simplify right side
    3,871.15x = 12,284,088.01
  5. Step 5: Solve for x
    x = 12,284,088.01/3,871.15
  6. Step 6: Final answer
    x = 3,173.24

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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.