Home / 3,366.28-4,645.34-1,874.17

Finding the Fourth Proportional to 3,366.28, 4,645.34 and 1,874.17

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Solution

The fourth proportional to 3,366.28, 4,645.34 and 1,874.17 is: 2,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.28 : 4,645.34 = 1,874.17 : x
  2. Step 2: Convert to fraction form
    3,366.28/4,645.34 = 1,874.17/x
  3. Step 3: Cross multiply
    3,366.28x = 4,645.34 × 1,874.17
  4. Step 4: Simplify right side
    3,366.28x = 8,706,147.50
  5. Step 5: Solve for x
    x = 8,706,147.50/3,366.28
  6. Step 6: Final answer
    x = 2,586.28

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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.