Home / 3,122.92-4,688.10-2,474.20

Finding the Fourth Proportional to 3,122.92, 4,688.10 and 2,474.20

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Solution

The fourth proportional to 3,122.92, 4,688.10 and 2,474.20 is: 3,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.92 : 4,688.10 = 2,474.20 : x
  2. Step 2: Convert to fraction form
    3,122.92/4,688.10 = 2,474.20/x
  3. Step 3: Cross multiply
    3,122.92x = 4,688.10 × 2,474.20
  4. Step 4: Simplify right side
    3,122.92x = 11,599,297.02
  5. Step 5: Solve for x
    x = 11,599,297.02/3,122.92
  6. Step 6: Final answer
    x = 3,714.25

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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.