Home / 2,816.90-4,229.34-1,773.52

Finding the Fourth Proportional to 2,816.90, 4,229.34 and 1,773.52

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Solution

The fourth proportional to 2,816.90, 4,229.34 and 1,773.52 is: 2,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.90 : 4,229.34 = 1,773.52 : x
  2. Step 2: Convert to fraction form
    2,816.90/4,229.34 = 1,773.52/x
  3. Step 3: Cross multiply
    2,816.90x = 4,229.34 × 1,773.52
  4. Step 4: Simplify right side
    2,816.90x = 7,500,818.74
  5. Step 5: Solve for x
    x = 7,500,818.74/2,816.90
  6. Step 6: Final answer
    x = 2,662.79

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1.5x scale

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.