Home / 3,817.77-5,728.71-1,628.04

Finding the Fourth Proportional to 3,817.77, 5,728.71 and 1,628.04

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Solution

The fourth proportional to 3,817.77, 5,728.71 and 1,628.04 is: 2,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.77 : 5,728.71 = 1,628.04 : x
  2. Step 2: Convert to fraction form
    3,817.77/5,728.71 = 1,628.04/x
  3. Step 3: Cross multiply
    3,817.77x = 5,728.71 × 1,628.04
  4. Step 4: Simplify right side
    3,817.77x = 9,326,569.03
  5. Step 5: Solve for x
    x = 9,326,569.03/3,817.77
  6. Step 6: Final answer
    x = 2,442.94

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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.