Home / 2,813.24-4,200.14-2,536.76

Finding the Fourth Proportional to 2,813.24, 4,200.14 and 2,536.76

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Solution

The fourth proportional to 2,813.24, 4,200.14 and 2,536.76 is: 3,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.24 : 4,200.14 = 2,536.76 : x
  2. Step 2: Convert to fraction form
    2,813.24/4,200.14 = 2,536.76/x
  3. Step 3: Cross multiply
    2,813.24x = 4,200.14 × 2,536.76
  4. Step 4: Simplify right side
    2,813.24x = 10,654,747.15
  5. Step 5: Solve for x
    x = 10,654,747.15/2,813.24
  6. Step 6: Final answer
    x = 3,787.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.