Home / 2,634.13-3,635.14-1,455.20

Finding the Fourth Proportional to 2,634.13, 3,635.14 and 1,455.20

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Solution

The fourth proportional to 2,634.13, 3,635.14 and 1,455.20 is: 2,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.13 : 3,635.14 = 1,455.20 : x
  2. Step 2: Convert to fraction form
    2,634.13/3,635.14 = 1,455.20/x
  3. Step 3: Cross multiply
    2,634.13x = 3,635.14 × 1,455.20
  4. Step 4: Simplify right side
    2,634.13x = 5,289,855.73
  5. Step 5: Solve for x
    x = 5,289,855.73/2,634.13
  6. Step 6: Final answer
    x = 2,008.20

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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.