Home / 3,029.64-4,175.13-2,188.79

Finding the Fourth Proportional to 3,029.64, 4,175.13 and 2,188.79

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Solution

The fourth proportional to 3,029.64, 4,175.13 and 2,188.79 is: 3,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.64 : 4,175.13 = 2,188.79 : x
  2. Step 2: Convert to fraction form
    3,029.64/4,175.13 = 2,188.79/x
  3. Step 3: Cross multiply
    3,029.64x = 4,175.13 × 2,188.79
  4. Step 4: Simplify right side
    3,029.64x = 9,138,461.92
  5. Step 5: Solve for x
    x = 9,138,461.92/3,029.64
  6. Step 6: Final answer
    x = 3,016.35

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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.