Home / 3,410.30-5,115.44-1,101.80

Finding the Fourth Proportional to 3,410.30, 5,115.44 and 1,101.80

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Solution

The fourth proportional to 3,410.30, 5,115.44 and 1,101.80 is: 1,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.30 : 5,115.44 = 1,101.80 : x
  2. Step 2: Convert to fraction form
    3,410.30/5,115.44 = 1,101.80/x
  3. Step 3: Cross multiply
    3,410.30x = 5,115.44 × 1,101.80
  4. Step 4: Simplify right side
    3,410.30x = 5,636,207.34
  5. Step 5: Solve for x
    x = 5,636,207.34/3,410.30
  6. Step 6: Final answer
    x = 1,652.70

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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.