Home / 2,819.73-3,888.36-1,700.45

Finding the Fourth Proportional to 2,819.73, 3,888.36 and 1,700.45

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Solution

The fourth proportional to 2,819.73, 3,888.36 and 1,700.45 is: 2,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.73 : 3,888.36 = 1,700.45 : x
  2. Step 2: Convert to fraction form
    2,819.73/3,888.36 = 1,700.45/x
  3. Step 3: Cross multiply
    2,819.73x = 3,888.36 × 1,700.45
  4. Step 4: Simplify right side
    2,819.73x = 6,611,942.32
  5. Step 5: Solve for x
    x = 6,611,942.32/2,819.73
  6. Step 6: Final answer
    x = 2,344.88

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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.