Home / 3,115.02-4,669.62-1,165.75

Finding the Fourth Proportional to 3,115.02, 4,669.62 and 1,165.75

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Solution

The fourth proportional to 3,115.02, 4,669.62 and 1,165.75 is: 1,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.02 : 4,669.62 = 1,165.75 : x
  2. Step 2: Convert to fraction form
    3,115.02/4,669.62 = 1,165.75/x
  3. Step 3: Cross multiply
    3,115.02x = 4,669.62 × 1,165.75
  4. Step 4: Simplify right side
    3,115.02x = 5,443,609.52
  5. Step 5: Solve for x
    x = 5,443,609.52/3,115.02
  6. Step 6: Final answer
    x = 1,747.54

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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.