Home / 3,966.31-5,475.72-2,709.25

Finding the Fourth Proportional to 3,966.31, 5,475.72 and 2,709.25

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Solution

The fourth proportional to 3,966.31, 5,475.72 and 2,709.25 is: 3,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.31 : 5,475.72 = 2,709.25 : x
  2. Step 2: Convert to fraction form
    3,966.31/5,475.72 = 2,709.25/x
  3. Step 3: Cross multiply
    3,966.31x = 5,475.72 × 2,709.25
  4. Step 4: Simplify right side
    3,966.31x = 14,835,094.41
  5. Step 5: Solve for x
    x = 14,835,094.41/3,966.31
  6. Step 6: Final answer
    x = 3,740.28

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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.