Home / 2,447.17-3,377.46-1,563.56

Finding the Fourth Proportional to 2,447.17, 3,377.46 and 1,563.56

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Solution

The fourth proportional to 2,447.17, 3,377.46 and 1,563.56 is: 2,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.17 : 3,377.46 = 1,563.56 : x
  2. Step 2: Convert to fraction form
    2,447.17/3,377.46 = 1,563.56/x
  3. Step 3: Cross multiply
    2,447.17x = 3,377.46 × 1,563.56
  4. Step 4: Simplify right side
    2,447.17x = 5,280,861.36
  5. Step 5: Solve for x
    x = 5,280,861.36/2,447.17
  6. Step 6: Final answer
    x = 2,157.95

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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.