Home / 3,505.15-5,257.20-1,165.19

Finding the Fourth Proportional to 3,505.15, 5,257.20 and 1,165.19

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Solution

The fourth proportional to 3,505.15, 5,257.20 and 1,165.19 is: 1,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.15 : 5,257.20 = 1,165.19 : x
  2. Step 2: Convert to fraction form
    3,505.15/5,257.20 = 1,165.19/x
  3. Step 3: Cross multiply
    3,505.15x = 5,257.20 × 1,165.19
  4. Step 4: Simplify right side
    3,505.15x = 6,125,650.01
  5. Step 5: Solve for x
    x = 6,125,650.01/3,505.15
  6. Step 6: Final answer
    x = 1,747.62

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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.