Home / 2,634.73-3,635.38-1,572.21

Finding the Fourth Proportional to 2,634.73, 3,635.38 and 1,572.21

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Solution

The fourth proportional to 2,634.73, 3,635.38 and 1,572.21 is: 2,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.73 : 3,635.38 = 1,572.21 : x
  2. Step 2: Convert to fraction form
    2,634.73/3,635.38 = 1,572.21/x
  3. Step 3: Cross multiply
    2,634.73x = 3,635.38 × 1,572.21
  4. Step 4: Simplify right side
    2,634.73x = 5,715,582.76
  5. Step 5: Solve for x
    x = 5,715,582.76/2,634.73
  6. Step 6: Final answer
    x = 2,169.33

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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.