Home / 1,730.80-2,584.10-1,712.56

Finding the Fourth Proportional to 1,730.80, 2,584.10 and 1,712.56

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Solution

The fourth proportional to 1,730.80, 2,584.10 and 1,712.56 is: 2,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.80 : 2,584.10 = 1,712.56 : x
  2. Step 2: Convert to fraction form
    1,730.80/2,584.10 = 1,712.56/x
  3. Step 3: Cross multiply
    1,730.80x = 2,584.10 × 1,712.56
  4. Step 4: Simplify right side
    1,730.80x = 4,425,426.30
  5. Step 5: Solve for x
    x = 4,425,426.30/1,730.80
  6. Step 6: Final answer
    x = 2,556.87

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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.