Home / 3,813.17-5,262.15-2,134.58

Finding the Fourth Proportional to 3,813.17, 5,262.15 and 2,134.58

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Solution

The fourth proportional to 3,813.17, 5,262.15 and 2,134.58 is: 2,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.17 : 5,262.15 = 2,134.58 : x
  2. Step 2: Convert to fraction form
    3,813.17/5,262.15 = 2,134.58/x
  3. Step 3: Cross multiply
    3,813.17x = 5,262.15 × 2,134.58
  4. Step 4: Simplify right side
    3,813.17x = 11,232,453.84
  5. Step 5: Solve for x
    x = 11,232,453.84/3,813.17
  6. Step 6: Final answer
    x = 2,945.70

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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.