Home / 3,431.10-4,734.46-2,169.93

Finding the Fourth Proportional to 3,431.10, 4,734.46 and 2,169.93

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Solution

The fourth proportional to 3,431.10, 4,734.46 and 2,169.93 is: 2,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.10 : 4,734.46 = 2,169.93 : x
  2. Step 2: Convert to fraction form
    3,431.10/4,734.46 = 2,169.93/x
  3. Step 3: Cross multiply
    3,431.10x = 4,734.46 × 2,169.93
  4. Step 4: Simplify right side
    3,431.10x = 10,273,435.94
  5. Step 5: Solve for x
    x = 10,273,435.94/3,431.10
  6. Step 6: Final answer
    x = 2,994.21

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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.