Home / 2,824.50-3,898.26-2,225.64

Finding the Fourth Proportional to 2,824.50, 3,898.26 and 2,225.64

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Solution

The fourth proportional to 2,824.50, 3,898.26 and 2,225.64 is: 3,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.50 : 3,898.26 = 2,225.64 : x
  2. Step 2: Convert to fraction form
    2,824.50/3,898.26 = 2,225.64/x
  3. Step 3: Cross multiply
    2,824.50x = 3,898.26 × 2,225.64
  4. Step 4: Simplify right side
    2,824.50x = 8,676,123.39
  5. Step 5: Solve for x
    x = 8,676,123.39/2,824.50
  6. Step 6: Final answer
    x = 3,071.74

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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.