Home / 3,017.91-4,164.62-1,691.69

Finding the Fourth Proportional to 3,017.91, 4,164.62 and 1,691.69

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Solution

The fourth proportional to 3,017.91, 4,164.62 and 1,691.69 is: 2,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.91 : 4,164.62 = 1,691.69 : x
  2. Step 2: Convert to fraction form
    3,017.91/4,164.62 = 1,691.69/x
  3. Step 3: Cross multiply
    3,017.91x = 4,164.62 × 1,691.69
  4. Step 4: Simplify right side
    3,017.91x = 7,045,246.01
  5. Step 5: Solve for x
    x = 7,045,246.01/3,017.91
  6. Step 6: Final answer
    x = 2,334.48

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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.