Home / 3,521.68-4,859.75-2,029.86

Finding the Fourth Proportional to 3,521.68, 4,859.75 and 2,029.86

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Solution

The fourth proportional to 3,521.68, 4,859.75 and 2,029.86 is: 2,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.68 : 4,859.75 = 2,029.86 : x
  2. Step 2: Convert to fraction form
    3,521.68/4,859.75 = 2,029.86/x
  3. Step 3: Cross multiply
    3,521.68x = 4,859.75 × 2,029.86
  4. Step 4: Simplify right side
    3,521.68x = 9,864,617.21
  5. Step 5: Solve for x
    x = 9,864,617.21/3,521.68
  6. Step 6: Final answer
    x = 2,801.11

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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.