Home / 2,180.35-3,007.38-1,508.37

Finding the Fourth Proportional to 2,180.35, 3,007.38 and 1,508.37

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Solution

The fourth proportional to 2,180.35, 3,007.38 and 1,508.37 is: 2,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.35 : 3,007.38 = 1,508.37 : x
  2. Step 2: Convert to fraction form
    2,180.35/3,007.38 = 1,508.37/x
  3. Step 3: Cross multiply
    2,180.35x = 3,007.38 × 1,508.37
  4. Step 4: Simplify right side
    2,180.35x = 4,536,241.77
  5. Step 5: Solve for x
    x = 4,536,241.77/2,180.35
  6. Step 6: Final answer
    x = 2,080.51

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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.