Home / 3,366.49-4,645.79-1,874.38

Finding the Fourth Proportional to 3,366.49, 4,645.79 and 1,874.38

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Solution

The fourth proportional to 3,366.49, 4,645.79 and 1,874.38 is: 2,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.49 : 4,645.79 = 1,874.38 : x
  2. Step 2: Convert to fraction form
    3,366.49/4,645.79 = 1,874.38/x
  3. Step 3: Cross multiply
    3,366.49x = 4,645.79 × 1,874.38
  4. Step 4: Simplify right side
    3,366.49x = 8,707,943.26
  5. Step 5: Solve for x
    x = 8,707,943.26/3,366.49
  6. Step 6: Final answer
    x = 2,586.66

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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.