Home / 3,633.84-5,448.78-1,293.12

Finding the Fourth Proportional to 3,633.84, 5,448.78 and 1,293.12

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Solution

The fourth proportional to 3,633.84, 5,448.78 and 1,293.12 is: 1,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.84 : 5,448.78 = 1,293.12 : x
  2. Step 2: Convert to fraction form
    3,633.84/5,448.78 = 1,293.12/x
  3. Step 3: Cross multiply
    3,633.84x = 5,448.78 × 1,293.12
  4. Step 4: Simplify right side
    3,633.84x = 7,045,926.39
  5. Step 5: Solve for x
    x = 7,045,926.39/3,633.84
  6. Step 6: Final answer
    x = 1,938.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.