Home / 2,119.55-2,924.24-1,374.44

Finding the Fourth Proportional to 2,119.55, 2,924.24 and 1,374.44

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Solution

The fourth proportional to 2,119.55, 2,924.24 and 1,374.44 is: 1,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.55 : 2,924.24 = 1,374.44 : x
  2. Step 2: Convert to fraction form
    2,119.55/2,924.24 = 1,374.44/x
  3. Step 3: Cross multiply
    2,119.55x = 2,924.24 × 1,374.44
  4. Step 4: Simplify right side
    2,119.55x = 4,019,170.93
  5. Step 5: Solve for x
    x = 4,019,170.93/2,119.55
  6. Step 6: Final answer
    x = 1,896.24

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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.