Home / 3,115.46-4,669.05-1,797.13

Finding the Fourth Proportional to 3,115.46, 4,669.05 and 1,797.13

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Solution

The fourth proportional to 3,115.46, 4,669.05 and 1,797.13 is: 2,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.46 : 4,669.05 = 1,797.13 : x
  2. Step 2: Convert to fraction form
    3,115.46/4,669.05 = 1,797.13/x
  3. Step 3: Cross multiply
    3,115.46x = 4,669.05 × 1,797.13
  4. Step 4: Simplify right side
    3,115.46x = 8,390,878.15
  5. Step 5: Solve for x
    x = 8,390,878.15/3,115.46
  6. Step 6: Final answer
    x = 2,693.31

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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.