Home / 1,766.28-2,649.84-533.70

Finding the Fourth Proportional to 1,766.28, 2,649.84 and 533.70

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Solution

The fourth proportional to 1,766.28, 2,649.84 and 533.70 is: 800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.28 : 2,649.84 = 533.70 : x
  2. Step 2: Convert to fraction form
    1,766.28/2,649.84 = 533.70/x
  3. Step 3: Cross multiply
    1,766.28x = 2,649.84 × 533.70
  4. Step 4: Simplify right side
    1,766.28x = 1,414,219.61
  5. Step 5: Solve for x
    x = 1,414,219.61/1,766.28
  6. Step 6: Final answer
    x = 800.68

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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.