Home / 2,633.41-3,634.05-1,438.39

Finding the Fourth Proportional to 2,633.41, 3,634.05 and 1,438.39

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Solution

The fourth proportional to 2,633.41, 3,634.05 and 1,438.39 is: 1,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.41 : 3,634.05 = 1,438.39 : x
  2. Step 2: Convert to fraction form
    2,633.41/3,634.05 = 1,438.39/x
  3. Step 3: Cross multiply
    2,633.41x = 3,634.05 × 1,438.39
  4. Step 4: Simplify right side
    2,633.41x = 5,227,181.18
  5. Step 5: Solve for x
    x = 5,227,181.18/2,633.41
  6. Step 6: Final answer
    x = 1,984.95

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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.