Home / 3,371.79-4,653.66-2,113.92

Finding the Fourth Proportional to 3,371.79, 4,653.66 and 2,113.92

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Solution

The fourth proportional to 3,371.79, 4,653.66 and 2,113.92 is: 2,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.79 : 4,653.66 = 2,113.92 : x
  2. Step 2: Convert to fraction form
    3,371.79/4,653.66 = 2,113.92/x
  3. Step 3: Cross multiply
    3,371.79x = 4,653.66 × 2,113.92
  4. Step 4: Simplify right side
    3,371.79x = 9,837,464.95
  5. Step 5: Solve for x
    x = 9,837,464.95/3,371.79
  6. Step 6: Final answer
    x = 2,917.58

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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.