Home / 3,941.50-5,911.17-1,477.30

Finding the Fourth Proportional to 3,941.50, 5,911.17 and 1,477.30

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Solution

The fourth proportional to 3,941.50, 5,911.17 and 1,477.30 is: 2,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.50 : 5,911.17 = 1,477.30 : x
  2. Step 2: Convert to fraction form
    3,941.50/5,911.17 = 1,477.30/x
  3. Step 3: Cross multiply
    3,941.50x = 5,911.17 × 1,477.30
  4. Step 4: Simplify right side
    3,941.50x = 8,732,571.44
  5. Step 5: Solve for x
    x = 8,732,571.44/3,941.50
  6. Step 6: Final answer
    x = 2,215.55

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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.