Home / 3,521.08-4,859.31-2,029.20

Finding the Fourth Proportional to 3,521.08, 4,859.31 and 2,029.20

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Solution

The fourth proportional to 3,521.08, 4,859.31 and 2,029.20 is: 2,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.08 : 4,859.31 = 2,029.20 : x
  2. Step 2: Convert to fraction form
    3,521.08/4,859.31 = 2,029.20/x
  3. Step 3: Cross multiply
    3,521.08x = 4,859.31 × 2,029.20
  4. Step 4: Simplify right side
    3,521.08x = 9,860,511.85
  5. Step 5: Solve for x
    x = 9,860,511.85/3,521.08
  6. Step 6: Final answer
    x = 2,800.42

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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.