Home / 3,106.17-4,659.25-2,129.31

Finding the Fourth Proportional to 3,106.17, 4,659.25 and 2,129.31

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Solution

The fourth proportional to 3,106.17, 4,659.25 and 2,129.31 is: 3,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.17 : 4,659.25 = 2,129.31 : x
  2. Step 2: Convert to fraction form
    3,106.17/4,659.25 = 2,129.31/x
  3. Step 3: Cross multiply
    3,106.17x = 4,659.25 × 2,129.31
  4. Step 4: Simplify right side
    3,106.17x = 9,920,959.00
  5. Step 5: Solve for x
    x = 9,920,959.00/3,106.17
  6. Step 6: Final answer
    x = 3,193.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.