Home / 3,611.28-4,982.49-2,490.45

Finding the Fourth Proportional to 3,611.28, 4,982.49 and 2,490.45

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Solution

The fourth proportional to 3,611.28, 4,982.49 and 2,490.45 is: 3,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.28 : 4,982.49 = 2,490.45 : x
  2. Step 2: Convert to fraction form
    3,611.28/4,982.49 = 2,490.45/x
  3. Step 3: Cross multiply
    3,611.28x = 4,982.49 × 2,490.45
  4. Step 4: Simplify right side
    3,611.28x = 12,408,616.53
  5. Step 5: Solve for x
    x = 12,408,616.53/3,611.28
  6. Step 6: Final answer
    x = 3,436.07

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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.