Home / 2,818.38-4,224.35-1,764.68

Finding the Fourth Proportional to 2,818.38, 4,224.35 and 1,764.68

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Solution

The fourth proportional to 2,818.38, 4,224.35 and 1,764.68 is: 2,644.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.38 : 4,224.35 = 1,764.68 : x
  2. Step 2: Convert to fraction form
    2,818.38/4,224.35 = 1,764.68/x
  3. Step 3: Cross multiply
    2,818.38x = 4,224.35 × 1,764.68
  4. Step 4: Simplify right side
    2,818.38x = 7,454,596.01
  5. Step 5: Solve for x
    x = 7,454,596.01/2,818.38
  6. Step 6: Final answer
    x = 2,644.99

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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.