Home / 2,634.20-3,634.86-1,515.32

Finding the Fourth Proportional to 2,634.20, 3,634.86 and 1,515.32

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Solution

The fourth proportional to 2,634.20, 3,634.86 and 1,515.32 is: 2,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.20 : 3,634.86 = 1,515.32 : x
  2. Step 2: Convert to fraction form
    2,634.20/3,634.86 = 1,515.32/x
  3. Step 3: Cross multiply
    2,634.20x = 3,634.86 × 1,515.32
  4. Step 4: Simplify right side
    2,634.20x = 5,507,976.06
  5. Step 5: Solve for x
    x = 5,507,976.06/2,634.20
  6. Step 6: Final answer
    x = 2,090.95

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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.