Home / 3,494.08-4,820.47-2,001.21

Finding the Fourth Proportional to 3,494.08, 4,820.47 and 2,001.21

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Solution

The fourth proportional to 3,494.08, 4,820.47 and 2,001.21 is: 2,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.08 : 4,820.47 = 2,001.21 : x
  2. Step 2: Convert to fraction form
    3,494.08/4,820.47 = 2,001.21/x
  3. Step 3: Cross multiply
    3,494.08x = 4,820.47 × 2,001.21
  4. Step 4: Simplify right side
    3,494.08x = 9,646,738.66
  5. Step 5: Solve for x
    x = 9,646,738.66/3,494.08
  6. Step 6: Final answer
    x = 2,760.88

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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.