Home / 3,014.82-4,159.50-2,129.09

Finding the Fourth Proportional to 3,014.82, 4,159.50 and 2,129.09

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Solution

The fourth proportional to 3,014.82, 4,159.50 and 2,129.09 is: 2,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.82 : 4,159.50 = 2,129.09 : x
  2. Step 2: Convert to fraction form
    3,014.82/4,159.50 = 2,129.09/x
  3. Step 3: Cross multiply
    3,014.82x = 4,159.50 × 2,129.09
  4. Step 4: Simplify right side
    3,014.82x = 8,855,933.05
  5. Step 5: Solve for x
    x = 8,855,933.05/3,014.82
  6. Step 6: Final answer
    x = 2,937.47

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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.