Home / 3,153.30-4,346.64-2,103.54

Finding the Fourth Proportional to 3,153.30, 4,346.64 and 2,103.54

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Solution

The fourth proportional to 3,153.30, 4,346.64 and 2,103.54 is: 2,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.30 : 4,346.64 = 2,103.54 : x
  2. Step 2: Convert to fraction form
    3,153.30/4,346.64 = 2,103.54/x
  3. Step 3: Cross multiply
    3,153.30x = 4,346.64 × 2,103.54
  4. Step 4: Simplify right side
    3,153.30x = 9,143,331.11
  5. Step 5: Solve for x
    x = 9,143,331.11/3,153.30
  6. Step 6: Final answer
    x = 2,899.61

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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.