Home / 2,351.85-3,228.24-2,080.35

Finding the Fourth Proportional to 2,351.85, 3,228.24 and 2,080.35

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Solution

The fourth proportional to 2,351.85, 3,228.24 and 2,080.35 is: 2,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.85 : 3,228.24 = 2,080.35 : x
  2. Step 2: Convert to fraction form
    2,351.85/3,228.24 = 2,080.35/x
  3. Step 3: Cross multiply
    2,351.85x = 3,228.24 × 2,080.35
  4. Step 4: Simplify right side
    2,351.85x = 6,715,869.08
  5. Step 5: Solve for x
    x = 6,715,869.08/2,351.85
  6. Step 6: Final answer
    x = 2,855.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.