Home / 2,119.96-2,924.13-1,374.76

Finding the Fourth Proportional to 2,119.96, 2,924.13 and 1,374.76

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Solution

The fourth proportional to 2,119.96, 2,924.13 and 1,374.76 is: 1,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.96 : 2,924.13 = 1,374.76 : x
  2. Step 2: Convert to fraction form
    2,119.96/2,924.13 = 1,374.76/x
  3. Step 3: Cross multiply
    2,119.96x = 2,924.13 × 1,374.76
  4. Step 4: Simplify right side
    2,119.96x = 4,019,976.96
  5. Step 5: Solve for x
    x = 4,019,976.96/2,119.96
  6. Step 6: Final answer
    x = 1,896.25

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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.