Home / 2,821.14-4,229.28-1,590.35

Finding the Fourth Proportional to 2,821.14, 4,229.28 and 1,590.35

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Solution

The fourth proportional to 2,821.14, 4,229.28 and 1,590.35 is: 2,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.14 : 4,229.28 = 1,590.35 : x
  2. Step 2: Convert to fraction form
    2,821.14/4,229.28 = 1,590.35/x
  3. Step 3: Cross multiply
    2,821.14x = 4,229.28 × 1,590.35
  4. Step 4: Simplify right side
    2,821.14x = 6,726,014.30
  5. Step 5: Solve for x
    x = 6,726,014.30/2,821.14
  6. Step 6: Final answer
    x = 2,384.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.