Home / 1,793.04-2,688.45-805.66

Finding the Fourth Proportional to 1,793.04, 2,688.45 and 805.66

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Solution

The fourth proportional to 1,793.04, 2,688.45 and 805.66 is: 1,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.04 : 2,688.45 = 805.66 : x
  2. Step 2: Convert to fraction form
    1,793.04/2,688.45 = 805.66/x
  3. Step 3: Cross multiply
    1,793.04x = 2,688.45 × 805.66
  4. Step 4: Simplify right side
    1,793.04x = 2,165,976.63
  5. Step 5: Solve for x
    x = 2,165,976.63/1,793.04
  6. Step 6: Final answer
    x = 1,207.99

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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.