Home / 2,634.54-3,635.61-1,515.45

Finding the Fourth Proportional to 2,634.54, 3,635.61 and 1,515.45

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Solution

The fourth proportional to 2,634.54, 3,635.61 and 1,515.45 is: 2,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.54 : 3,635.61 = 1,515.45 : x
  2. Step 2: Convert to fraction form
    2,634.54/3,635.61 = 1,515.45/x
  3. Step 3: Cross multiply
    2,634.54x = 3,635.61 × 1,515.45
  4. Step 4: Simplify right side
    2,634.54x = 5,509,585.17
  5. Step 5: Solve for x
    x = 5,509,585.17/2,634.54
  6. Step 6: Final answer
    x = 2,091.29

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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.