Home / 3,225.18-4,829.57-2,126.21

Finding the Fourth Proportional to 3,225.18, 4,829.57 and 2,126.21

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Solution

The fourth proportional to 3,225.18, 4,829.57 and 2,126.21 is: 3,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.18 : 4,829.57 = 2,126.21 : x
  2. Step 2: Convert to fraction form
    3,225.18/4,829.57 = 2,126.21/x
  3. Step 3: Cross multiply
    3,225.18x = 4,829.57 × 2,126.21
  4. Step 4: Simplify right side
    3,225.18x = 10,268,669.40
  5. Step 5: Solve for x
    x = 10,268,669.40/3,225.18
  6. Step 6: Final answer
    x = 3,183.91

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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.