Home / 3,562.44-4,921.74-2,972.76

Finding the Fourth Proportional to 3,562.44, 4,921.74 and 2,972.76

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Solution

The fourth proportional to 3,562.44, 4,921.74 and 2,972.76 is: 4,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.44 : 4,921.74 = 2,972.76 : x
  2. Step 2: Convert to fraction form
    3,562.44/4,921.74 = 2,972.76/x
  3. Step 3: Cross multiply
    3,562.44x = 4,921.74 × 2,972.76
  4. Step 4: Simplify right side
    3,562.44x = 14,631,151.80
  5. Step 5: Solve for x
    x = 14,631,151.80/3,562.44
  6. Step 6: Final answer
    x = 4,107.06

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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.