Home / 3,105.90-4,654.74-2,712.24

Finding the Fourth Proportional to 3,105.90, 4,654.74 and 2,712.24

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Solution

The fourth proportional to 3,105.90, 4,654.74 and 2,712.24 is: 4,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.90 : 4,654.74 = 2,712.24 : x
  2. Step 2: Convert to fraction form
    3,105.90/4,654.74 = 2,712.24/x
  3. Step 3: Cross multiply
    3,105.90x = 4,654.74 × 2,712.24
  4. Step 4: Simplify right side
    3,105.90x = 12,624,772.02
  5. Step 5: Solve for x
    x = 12,624,772.02/3,105.90
  6. Step 6: Final answer
    x = 4,064.77

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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.