Home / 3,564.90-4,919.78-1,993.10

Finding the Fourth Proportional to 3,564.90, 4,919.78 and 1,993.10

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Solution

The fourth proportional to 3,564.90, 4,919.78 and 1,993.10 is: 2,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.90 : 4,919.78 = 1,993.10 : x
  2. Step 2: Convert to fraction form
    3,564.90/4,919.78 = 1,993.10/x
  3. Step 3: Cross multiply
    3,564.90x = 4,919.78 × 1,993.10
  4. Step 4: Simplify right side
    3,564.90x = 9,805,613.52
  5. Step 5: Solve for x
    x = 9,805,613.52/3,564.90
  6. Step 6: Final answer
    x = 2,750.60

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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.