Home / 3,225.30-4,845.15-3,102.90

Finding the Fourth Proportional to 3,225.30, 4,845.15 and 3,102.90

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Solution

The fourth proportional to 3,225.30, 4,845.15 and 3,102.90 is: 4,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.30 : 4,845.15 = 3,102.90 : x
  2. Step 2: Convert to fraction form
    3,225.30/4,845.15 = 3,102.90/x
  3. Step 3: Cross multiply
    3,225.30x = 4,845.15 × 3,102.90
  4. Step 4: Simplify right side
    3,225.30x = 15,034,015.94
  5. Step 5: Solve for x
    x = 15,034,015.94/3,225.30
  6. Step 6: Final answer
    x = 4,661.28

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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.