Home / 3,108.17-4,659.53-2,012.85

Finding the Fourth Proportional to 3,108.17, 4,659.53 and 2,012.85

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Solution

The fourth proportional to 3,108.17, 4,659.53 and 2,012.85 is: 3,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.17 : 4,659.53 = 2,012.85 : x
  2. Step 2: Convert to fraction form
    3,108.17/4,659.53 = 2,012.85/x
  3. Step 3: Cross multiply
    3,108.17x = 4,659.53 × 2,012.85
  4. Step 4: Simplify right side
    3,108.17x = 9,378,924.90
  5. Step 5: Solve for x
    x = 9,378,924.90/3,108.17
  6. Step 6: Final answer
    x = 3,017.50

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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.