Home / 3,366.48-4,645.62-1,969.20

Finding the Fourth Proportional to 3,366.48, 4,645.62 and 1,969.20

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Solution

The fourth proportional to 3,366.48, 4,645.62 and 1,969.20 is: 2,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.48 : 4,645.62 = 1,969.20 : x
  2. Step 2: Convert to fraction form
    3,366.48/4,645.62 = 1,969.20/x
  3. Step 3: Cross multiply
    3,366.48x = 4,645.62 × 1,969.20
  4. Step 4: Simplify right side
    3,366.48x = 9,148,154.90
  5. Step 5: Solve for x
    x = 9,148,154.90/3,366.48
  6. Step 6: Final answer
    x = 2,717.42

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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.