Home / 3,514.80-4,848-2,851.68

Finding the Fourth Proportional to 3,514.80, 4,848 and 2,851.68

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Solution

The fourth proportional to 3,514.80, 4,848 and 2,851.68 is: 3,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.80 : 4,848 = 2,851.68 : x
  2. Step 2: Convert to fraction form
    3,514.80/4,848 = 2,851.68/x
  3. Step 3: Cross multiply
    3,514.80x = 4,848 × 2,851.68
  4. Step 4: Simplify right side
    3,514.80x = 13,824,944.64
  5. Step 5: Solve for x
    x = 13,824,944.64/3,514.80
  6. Step 6: Final answer
    x = 3,933.35

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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.