Home / 3,734.40-5,606.44-2,639.28

Finding the Fourth Proportional to 3,734.40, 5,606.44 and 2,639.28

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Solution

The fourth proportional to 3,734.40, 5,606.44 and 2,639.28 is: 3,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.40 : 5,606.44 = 2,639.28 : x
  2. Step 2: Convert to fraction form
    3,734.40/5,606.44 = 2,639.28/x
  3. Step 3: Cross multiply
    3,734.40x = 5,606.44 × 2,639.28
  4. Step 4: Simplify right side
    3,734.40x = 14,796,964.96
  5. Step 5: Solve for x
    x = 14,796,964.96/3,734.40
  6. Step 6: Final answer
    x = 3,962.34

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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.