Home / 3,930.90-5,894.33-1,464.45

Finding the Fourth Proportional to 3,930.90, 5,894.33 and 1,464.45

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Solution

The fourth proportional to 3,930.90, 5,894.33 and 1,464.45 is: 2,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.90 : 5,894.33 = 1,464.45 : x
  2. Step 2: Convert to fraction form
    3,930.90/5,894.33 = 1,464.45/x
  3. Step 3: Cross multiply
    3,930.90x = 5,894.33 × 1,464.45
  4. Step 4: Simplify right side
    3,930.90x = 8,631,944.25
  5. Step 5: Solve for x
    x = 8,631,944.25/3,930.90
  6. Step 6: Final answer
    x = 2,195.92

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1.5x scale

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.