Home / 3,530.35-4,872.02-1,936.90

Finding the Fourth Proportional to 3,530.35, 4,872.02 and 1,936.90

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Solution

The fourth proportional to 3,530.35, 4,872.02 and 1,936.90 is: 2,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.35 : 4,872.02 = 1,936.90 : x
  2. Step 2: Convert to fraction form
    3,530.35/4,872.02 = 1,936.90/x
  3. Step 3: Cross multiply
    3,530.35x = 4,872.02 × 1,936.90
  4. Step 4: Simplify right side
    3,530.35x = 9,436,605.85
  5. Step 5: Solve for x
    x = 9,436,605.85/3,530.35
  6. Step 6: Final answer
    x = 2,672.99

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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.