Home / 3,185.04-4,778.28-2,407.44

Finding the Fourth Proportional to 3,185.04, 4,778.28 and 2,407.44

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Solution

The fourth proportional to 3,185.04, 4,778.28 and 2,407.44 is: 3,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.04 : 4,778.28 = 2,407.44 : x
  2. Step 2: Convert to fraction form
    3,185.04/4,778.28 = 2,407.44/x
  3. Step 3: Cross multiply
    3,185.04x = 4,778.28 × 2,407.44
  4. Step 4: Simplify right side
    3,185.04x = 11,503,422.40
  5. Step 5: Solve for x
    x = 11,503,422.40/3,185.04
  6. Step 6: Final answer
    x = 3,611.70

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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.