Home / 3,513.80-4,851.96-2,340.20

Finding the Fourth Proportional to 3,513.80, 4,851.96 and 2,340.20

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Solution

The fourth proportional to 3,513.80, 4,851.96 and 2,340.20 is: 3,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.80 : 4,851.96 = 2,340.20 : x
  2. Step 2: Convert to fraction form
    3,513.80/4,851.96 = 2,340.20/x
  3. Step 3: Cross multiply
    3,513.80x = 4,851.96 × 2,340.20
  4. Step 4: Simplify right side
    3,513.80x = 11,354,556.79
  5. Step 5: Solve for x
    x = 11,354,556.79/3,513.80
  6. Step 6: Final answer
    x = 3,231.42

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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.