Home / 2,818.24-3,890.24-2,522.96

Finding the Fourth Proportional to 2,818.24, 3,890.24 and 2,522.96

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Solution

The fourth proportional to 2,818.24, 3,890.24 and 2,522.96 is: 3,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.24 : 3,890.24 = 2,522.96 : x
  2. Step 2: Convert to fraction form
    2,818.24/3,890.24 = 2,522.96/x
  3. Step 3: Cross multiply
    2,818.24x = 3,890.24 × 2,522.96
  4. Step 4: Simplify right side
    2,818.24x = 9,814,919.91
  5. Step 5: Solve for x
    x = 9,814,919.91/2,818.24
  6. Step 6: Final answer
    x = 3,482.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.