Home / 2,634.58-3,635.33-1,455.70

Finding the Fourth Proportional to 2,634.58, 3,635.33 and 1,455.70

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Solution

The fourth proportional to 2,634.58, 3,635.33 and 1,455.70 is: 2,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.58 : 3,635.33 = 1,455.70 : x
  2. Step 2: Convert to fraction form
    2,634.58/3,635.33 = 1,455.70/x
  3. Step 3: Cross multiply
    2,634.58x = 3,635.33 × 1,455.70
  4. Step 4: Simplify right side
    2,634.58x = 5,291,949.88
  5. Step 5: Solve for x
    x = 5,291,949.88/2,634.58
  6. Step 6: Final answer
    x = 2,008.65

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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.