Home / 2,819.84-4,231.26-1,587.33

Finding the Fourth Proportional to 2,819.84, 4,231.26 and 1,587.33

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Solution

The fourth proportional to 2,819.84, 4,231.26 and 1,587.33 is: 2,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.84 : 4,231.26 = 1,587.33 : x
  2. Step 2: Convert to fraction form
    2,819.84/4,231.26 = 1,587.33/x
  3. Step 3: Cross multiply
    2,819.84x = 4,231.26 × 1,587.33
  4. Step 4: Simplify right side
    2,819.84x = 6,716,405.94
  5. Step 5: Solve for x
    x = 6,716,405.94/2,819.84
  6. Step 6: Final answer
    x = 2,381.84

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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.