Home / 2,957.63-4,431.21-2,635.85

Finding the Fourth Proportional to 2,957.63, 4,431.21 and 2,635.85

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Solution

The fourth proportional to 2,957.63, 4,431.21 and 2,635.85 is: 3,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.63 : 4,431.21 = 2,635.85 : x
  2. Step 2: Convert to fraction form
    2,957.63/4,431.21 = 2,635.85/x
  3. Step 3: Cross multiply
    2,957.63x = 4,431.21 × 2,635.85
  4. Step 4: Simplify right side
    2,957.63x = 11,679,982.72
  5. Step 5: Solve for x
    x = 11,679,982.72/2,957.63
  6. Step 6: Final answer
    x = 3,949.11

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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.