Home / 3,813.73-5,262.69-2,135.10

Finding the Fourth Proportional to 3,813.73, 5,262.69 and 2,135.10

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Solution

The fourth proportional to 3,813.73, 5,262.69 and 2,135.10 is: 2,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.73 : 5,262.69 = 2,135.10 : x
  2. Step 2: Convert to fraction form
    3,813.73/5,262.69 = 2,135.10/x
  3. Step 3: Cross multiply
    3,813.73x = 5,262.69 × 2,135.10
  4. Step 4: Simplify right side
    3,813.73x = 11,236,369.42
  5. Step 5: Solve for x
    x = 11,236,369.42/3,813.73
  6. Step 6: Final answer
    x = 2,946.30

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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.