Home / 2,977.30-4,099.33-2,528.23

Finding the Fourth Proportional to 2,977.30, 4,099.33 and 2,528.23

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Solution

The fourth proportional to 2,977.30, 4,099.33 and 2,528.23 is: 3,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.30 : 4,099.33 = 2,528.23 : x
  2. Step 2: Convert to fraction form
    2,977.30/4,099.33 = 2,528.23/x
  3. Step 3: Cross multiply
    2,977.30x = 4,099.33 × 2,528.23
  4. Step 4: Simplify right side
    2,977.30x = 10,364,049.09
  5. Step 5: Solve for x
    x = 10,364,049.09/2,977.30
  6. Step 6: Final answer
    x = 3,481.02

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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.