Home / 3,724.67-5,585.53-1,643.20

Finding the Fourth Proportional to 3,724.67, 5,585.53 and 1,643.20

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Solution

The fourth proportional to 3,724.67, 5,585.53 and 1,643.20 is: 2,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.67 : 5,585.53 = 1,643.20 : x
  2. Step 2: Convert to fraction form
    3,724.67/5,585.53 = 1,643.20/x
  3. Step 3: Cross multiply
    3,724.67x = 5,585.53 × 1,643.20
  4. Step 4: Simplify right side
    3,724.67x = 9,178,142.90
  5. Step 5: Solve for x
    x = 9,178,142.90/3,724.67
  6. Step 6: Final answer
    x = 2,464.15

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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.