Home / 3,029.21-4,519.20-2,865.72

Finding the Fourth Proportional to 3,029.21, 4,519.20 and 2,865.72

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Solution

The fourth proportional to 3,029.21, 4,519.20 and 2,865.72 is: 4,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.21 : 4,519.20 = 2,865.72 : x
  2. Step 2: Convert to fraction form
    3,029.21/4,519.20 = 2,865.72/x
  3. Step 3: Cross multiply
    3,029.21x = 4,519.20 × 2,865.72
  4. Step 4: Simplify right side
    3,029.21x = 12,950,761.82
  5. Step 5: Solve for x
    x = 12,950,761.82/3,029.21
  6. Step 6: Final answer
    x = 4,275.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.