Home / 1,766.35-2,649.34-533.79

Finding the Fourth Proportional to 1,766.35, 2,649.34 and 533.79

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Solution

The fourth proportional to 1,766.35, 2,649.34 and 533.79 is: 800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.35 : 2,649.34 = 533.79 : x
  2. Step 2: Convert to fraction form
    1,766.35/2,649.34 = 533.79/x
  3. Step 3: Cross multiply
    1,766.35x = 2,649.34 × 533.79
  4. Step 4: Simplify right side
    1,766.35x = 1,414,191.20
  5. Step 5: Solve for x
    x = 1,414,191.20/1,766.35
  6. Step 6: Final answer
    x = 800.63

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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.