Home / 3,514.78-4,851.66-2,118.34

Finding the Fourth Proportional to 3,514.78, 4,851.66 and 2,118.34

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Solution

The fourth proportional to 3,514.78, 4,851.66 and 2,118.34 is: 2,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.78 : 4,851.66 = 2,118.34 : x
  2. Step 2: Convert to fraction form
    3,514.78/4,851.66 = 2,118.34/x
  3. Step 3: Cross multiply
    3,514.78x = 4,851.66 × 2,118.34
  4. Step 4: Simplify right side
    3,514.78x = 10,277,465.44
  5. Step 5: Solve for x
    x = 10,277,465.44/3,514.78
  6. Step 6: Final answer
    x = 2,924.07

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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.