Home / 2,528.21-3,784.61-2,204.21

Finding the Fourth Proportional to 2,528.21, 3,784.61 and 2,204.21

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Solution

The fourth proportional to 2,528.21, 3,784.61 and 2,204.21 is: 3,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.21 : 3,784.61 = 2,204.21 : x
  2. Step 2: Convert to fraction form
    2,528.21/3,784.61 = 2,204.21/x
  3. Step 3: Cross multiply
    2,528.21x = 3,784.61 × 2,204.21
  4. Step 4: Simplify right side
    2,528.21x = 8,342,045.26
  5. Step 5: Solve for x
    x = 8,342,045.26/2,528.21
  6. Step 6: Final answer
    x = 3,299.59

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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.