Home / 3,029.45-4,175.51-2,311.39

Finding the Fourth Proportional to 3,029.45, 4,175.51 and 2,311.39

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Solution

The fourth proportional to 3,029.45, 4,175.51 and 2,311.39 is: 3,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.45 : 4,175.51 = 2,311.39 : x
  2. Step 2: Convert to fraction form
    3,029.45/4,175.51 = 2,311.39/x
  3. Step 3: Cross multiply
    3,029.45x = 4,175.51 × 2,311.39
  4. Step 4: Simplify right side
    3,029.45x = 9,651,210.06
  5. Step 5: Solve for x
    x = 9,651,210.06/3,029.45
  6. Step 6: Final answer
    x = 3,185.79

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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.