Home / 3,521.40-4,860.75-2,029.91

Finding the Fourth Proportional to 3,521.40, 4,860.75 and 2,029.91

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Solution

The fourth proportional to 3,521.40, 4,860.75 and 2,029.91 is: 2,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.40 : 4,860.75 = 2,029.91 : x
  2. Step 2: Convert to fraction form
    3,521.40/4,860.75 = 2,029.91/x
  3. Step 3: Cross multiply
    3,521.40x = 4,860.75 × 2,029.91
  4. Step 4: Simplify right side
    3,521.40x = 9,866,853.12
  5. Step 5: Solve for x
    x = 9,866,853.12/3,521.40
  6. Step 6: Final answer
    x = 2,801.97

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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.