Home / 3,929.40-5,893.55-1,463.90

Finding the Fourth Proportional to 3,929.40, 5,893.55 and 1,463.90

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Solution

The fourth proportional to 3,929.40, 5,893.55 and 1,463.90 is: 2,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.40 : 5,893.55 = 1,463.90 : x
  2. Step 2: Convert to fraction form
    3,929.40/5,893.55 = 1,463.90/x
  3. Step 3: Cross multiply
    3,929.40x = 5,893.55 × 1,463.90
  4. Step 4: Simplify right side
    3,929.40x = 8,627,531.06
  5. Step 5: Solve for x
    x = 8,627,531.06/3,929.40
  6. Step 6: Final answer
    x = 2,195.64

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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.