Home / 2,419.66-3,338.92-1,342.97

Finding the Fourth Proportional to 2,419.66, 3,338.92 and 1,342.97

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Solution

The fourth proportional to 2,419.66, 3,338.92 and 1,342.97 is: 1,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.66 : 3,338.92 = 1,342.97 : x
  2. Step 2: Convert to fraction form
    2,419.66/3,338.92 = 1,342.97/x
  3. Step 3: Cross multiply
    2,419.66x = 3,338.92 × 1,342.97
  4. Step 4: Simplify right side
    2,419.66x = 4,484,066.90
  5. Step 5: Solve for x
    x = 4,484,066.90/2,419.66
  6. Step 6: Final answer
    x = 1,853.18

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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.