Home / 2,119.53-2,924.66-1,175.27

Finding the Fourth Proportional to 2,119.53, 2,924.66 and 1,175.27

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Solution

The fourth proportional to 2,119.53, 2,924.66 and 1,175.27 is: 1,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.53 : 2,924.66 = 1,175.27 : x
  2. Step 2: Convert to fraction form
    2,119.53/2,924.66 = 1,175.27/x
  3. Step 3: Cross multiply
    2,119.53x = 2,924.66 × 1,175.27
  4. Step 4: Simplify right side
    2,119.53x = 3,437,265.16
  5. Step 5: Solve for x
    x = 3,437,265.16/2,119.53
  6. Step 6: Final answer
    x = 1,621.71

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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.