Home / 2,175.66-3,002.39-1,180.94

Finding the Fourth Proportional to 2,175.66, 3,002.39 and 1,180.94

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Solution

The fourth proportional to 2,175.66, 3,002.39 and 1,180.94 is: 1,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.66 : 3,002.39 = 1,180.94 : x
  2. Step 2: Convert to fraction form
    2,175.66/3,002.39 = 1,180.94/x
  3. Step 3: Cross multiply
    2,175.66x = 3,002.39 × 1,180.94
  4. Step 4: Simplify right side
    2,175.66x = 3,545,621.53
  5. Step 5: Solve for x
    x = 3,545,621.53/2,175.66
  6. Step 6: Final answer
    x = 1,629.68

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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.