Home / 3,102.22-4,646.04-2,225.80

Finding the Fourth Proportional to 3,102.22, 4,646.04 and 2,225.80

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Solution

The fourth proportional to 3,102.22, 4,646.04 and 2,225.80 is: 3,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.22 : 4,646.04 = 2,225.80 : x
  2. Step 2: Convert to fraction form
    3,102.22/4,646.04 = 2,225.80/x
  3. Step 3: Cross multiply
    3,102.22x = 4,646.04 × 2,225.80
  4. Step 4: Simplify right side
    3,102.22x = 10,341,155.83
  5. Step 5: Solve for x
    x = 10,341,155.83/3,102.22
  6. Step 6: Final answer
    x = 3,333.47

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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.