Home / 3,521.81-4,860.03-2,029.65

Finding the Fourth Proportional to 3,521.81, 4,860.03 and 2,029.65

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Solution

The fourth proportional to 3,521.81, 4,860.03 and 2,029.65 is: 2,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.81 : 4,860.03 = 2,029.65 : x
  2. Step 2: Convert to fraction form
    3,521.81/4,860.03 = 2,029.65/x
  3. Step 3: Cross multiply
    3,521.81x = 4,860.03 × 2,029.65
  4. Step 4: Simplify right side
    3,521.81x = 9,864,149.28
  5. Step 5: Solve for x
    x = 9,864,149.28/3,521.81
  6. Step 6: Final answer
    x = 2,800.87

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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.