Home / 3,690.43-5,534.46-1,224.59

Finding the Fourth Proportional to 3,690.43, 5,534.46 and 1,224.59

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Solution

The fourth proportional to 3,690.43, 5,534.46 and 1,224.59 is: 1,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.43 : 5,534.46 = 1,224.59 : x
  2. Step 2: Convert to fraction form
    3,690.43/5,534.46 = 1,224.59/x
  3. Step 3: Cross multiply
    3,690.43x = 5,534.46 × 1,224.59
  4. Step 4: Simplify right side
    3,690.43x = 6,777,416.70
  5. Step 5: Solve for x
    x = 6,777,416.70/3,690.43
  6. Step 6: Final answer
    x = 1,836.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.