Home / 3,203.19-4,821.78-2,285.10

Finding the Fourth Proportional to 3,203.19, 4,821.78 and 2,285.10

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Solution

The fourth proportional to 3,203.19, 4,821.78 and 2,285.10 is: 3,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.19 : 4,821.78 = 2,285.10 : x
  2. Step 2: Convert to fraction form
    3,203.19/4,821.78 = 2,285.10/x
  3. Step 3: Cross multiply
    3,203.19x = 4,821.78 × 2,285.10
  4. Step 4: Simplify right side
    3,203.19x = 11,018,249.48
  5. Step 5: Solve for x
    x = 11,018,249.48/3,203.19
  6. Step 6: Final answer
    x = 3,439.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.