Home / 1,806.72-2,694.30-1,607.62

Finding the Fourth Proportional to 1,806.72, 2,694.30 and 1,607.62

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Solution

The fourth proportional to 1,806.72, 2,694.30 and 1,607.62 is: 2,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.72 : 2,694.30 = 1,607.62 : x
  2. Step 2: Convert to fraction form
    1,806.72/2,694.30 = 1,607.62/x
  3. Step 3: Cross multiply
    1,806.72x = 2,694.30 × 1,607.62
  4. Step 4: Simplify right side
    1,806.72x = 4,331,410.57
  5. Step 5: Solve for x
    x = 4,331,410.57/1,806.72
  6. Step 6: Final answer
    x = 2,397.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.