Home / 2,119.24-2,924.60-1,175

Finding the Fourth Proportional to 2,119.24, 2,924.60 and 1,175

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Solution

The fourth proportional to 2,119.24, 2,924.60 and 1,175 is: 1,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.24 : 2,924.60 = 1,175 : x
  2. Step 2: Convert to fraction form
    2,119.24/2,924.60 = 1,175/x
  3. Step 3: Cross multiply
    2,119.24x = 2,924.60 × 1,175
  4. Step 4: Simplify right side
    2,119.24x = 3,436,405
  5. Step 5: Solve for x
    x = 3,436,405/2,119.24
  6. Step 6: Final answer
    x = 1,621.53

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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.