Home / 3,452.94-5,171.16-1,890.60

Finding the Fourth Proportional to 3,452.94, 5,171.16 and 1,890.60

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Solution

The fourth proportional to 3,452.94, 5,171.16 and 1,890.60 is: 2,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.94 : 5,171.16 = 1,890.60 : x
  2. Step 2: Convert to fraction form
    3,452.94/5,171.16 = 1,890.60/x
  3. Step 3: Cross multiply
    3,452.94x = 5,171.16 × 1,890.60
  4. Step 4: Simplify right side
    3,452.94x = 9,776,595.10
  5. Step 5: Solve for x
    x = 9,776,595.10/3,452.94
  6. Step 6: Final answer
    x = 2,831.38

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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.