Home / 3,813.47-5,262.92-2,134.85

Finding the Fourth Proportional to 3,813.47, 5,262.92 and 2,134.85

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Solution

The fourth proportional to 3,813.47, 5,262.92 and 2,134.85 is: 2,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.47 : 5,262.92 = 2,134.85 : x
  2. Step 2: Convert to fraction form
    3,813.47/5,262.92 = 2,134.85/x
  3. Step 3: Cross multiply
    3,813.47x = 5,262.92 × 2,134.85
  4. Step 4: Simplify right side
    3,813.47x = 11,235,534.09
  5. Step 5: Solve for x
    x = 11,235,534.09/3,813.47
  6. Step 6: Final answer
    x = 2,946.28

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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.