Home / 3,029.71-4,175.85-2,311.64

Finding the Fourth Proportional to 3,029.71, 4,175.85 and 2,311.64

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Solution

The fourth proportional to 3,029.71, 4,175.85 and 2,311.64 is: 3,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.71 : 4,175.85 = 2,311.64 : x
  2. Step 2: Convert to fraction form
    3,029.71/4,175.85 = 2,311.64/x
  3. Step 3: Cross multiply
    3,029.71x = 4,175.85 × 2,311.64
  4. Step 4: Simplify right side
    3,029.71x = 9,653,061.89
  5. Step 5: Solve for x
    x = 9,653,061.89/3,029.71
  6. Step 6: Final answer
    x = 3,186.14

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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.