Home / 2,634.64-3,635.56-1,936.40

Finding the Fourth Proportional to 2,634.64, 3,635.56 and 1,936.40

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Solution

The fourth proportional to 2,634.64, 3,635.56 and 1,936.40 is: 2,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.64 : 3,635.56 = 1,936.40 : x
  2. Step 2: Convert to fraction form
    2,634.64/3,635.56 = 1,936.40/x
  3. Step 3: Cross multiply
    2,634.64x = 3,635.56 × 1,936.40
  4. Step 4: Simplify right side
    2,634.64x = 7,039,898.38
  5. Step 5: Solve for x
    x = 7,039,898.38/2,634.64
  6. Step 6: Final answer
    x = 2,672.05

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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.