Home / 3,744.18-5,616.88-1,664.90

Finding the Fourth Proportional to 3,744.18, 5,616.88 and 1,664.90

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Solution

The fourth proportional to 3,744.18, 5,616.88 and 1,664.90 is: 2,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.18 : 5,616.88 = 1,664.90 : x
  2. Step 2: Convert to fraction form
    3,744.18/5,616.88 = 1,664.90/x
  3. Step 3: Cross multiply
    3,744.18x = 5,616.88 × 1,664.90
  4. Step 4: Simplify right side
    3,744.18x = 9,351,543.51
  5. Step 5: Solve for x
    x = 9,351,543.51/3,744.18
  6. Step 6: Final answer
    x = 2,497.62

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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.