Home / 3,431.46-4,734.54-2,312.94

Finding the Fourth Proportional to 3,431.46, 4,734.54 and 2,312.94

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Solution

The fourth proportional to 3,431.46, 4,734.54 and 2,312.94 is: 3,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.46 : 4,734.54 = 2,312.94 : x
  2. Step 2: Convert to fraction form
    3,431.46/4,734.54 = 2,312.94/x
  3. Step 3: Cross multiply
    3,431.46x = 4,734.54 × 2,312.94
  4. Step 4: Simplify right side
    3,431.46x = 10,950,706.95
  5. Step 5: Solve for x
    x = 10,950,706.95/3,431.46
  6. Step 6: Final answer
    x = 3,191.27

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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.