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Finding the Fourth Proportional to 3,560.56, 4,900.10 and 2,917.22

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Solution

The fourth proportional to 3,560.56, 4,900.10 and 2,917.22 is: 4,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.56 : 4,900.10 = 2,917.22 : x
  2. Step 2: Convert to fraction form
    3,560.56/4,900.10 = 2,917.22/x
  3. Step 3: Cross multiply
    3,560.56x = 4,900.10 × 2,917.22
  4. Step 4: Simplify right side
    3,560.56x = 14,294,630.64
  5. Step 5: Solve for x
    x = 14,294,630.64/3,560.56
  6. Step 6: Final answer
    x = 4,014.72

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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.