Home / 2,634.29-3,635.60-1,515.43

Finding the Fourth Proportional to 2,634.29, 3,635.60 and 1,515.43

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Solution

The fourth proportional to 2,634.29, 3,635.60 and 1,515.43 is: 2,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.29 : 3,635.60 = 1,515.43 : x
  2. Step 2: Convert to fraction form
    2,634.29/3,635.60 = 1,515.43/x
  3. Step 3: Cross multiply
    2,634.29x = 3,635.60 × 1,515.43
  4. Step 4: Simplify right side
    2,634.29x = 5,509,497.31
  5. Step 5: Solve for x
    x = 5,509,497.31/2,634.29
  6. Step 6: Final answer
    x = 2,091.45

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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.