Home / 3,513.90-4,851.42-2,255.56

Finding the Fourth Proportional to 3,513.90, 4,851.42 and 2,255.56

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Solution

The fourth proportional to 3,513.90, 4,851.42 and 2,255.56 is: 3,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.90 : 4,851.42 = 2,255.56 : x
  2. Step 2: Convert to fraction form
    3,513.90/4,851.42 = 2,255.56/x
  3. Step 3: Cross multiply
    3,513.90x = 4,851.42 × 2,255.56
  4. Step 4: Simplify right side
    3,513.90x = 10,942,668.90
  5. Step 5: Solve for x
    x = 10,942,668.90/3,513.90
  6. Step 6: Final answer
    x = 3,114.11

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1.5x scale

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.