Home / 3,224.32-4,451.70-2,874.40

Finding the Fourth Proportional to 3,224.32, 4,451.70 and 2,874.40

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Solution

The fourth proportional to 3,224.32, 4,451.70 and 2,874.40 is: 3,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.32 : 4,451.70 = 2,874.40 : x
  2. Step 2: Convert to fraction form
    3,224.32/4,451.70 = 2,874.40/x
  3. Step 3: Cross multiply
    3,224.32x = 4,451.70 × 2,874.40
  4. Step 4: Simplify right side
    3,224.32x = 12,795,966.48
  5. Step 5: Solve for x
    x = 12,795,966.48/3,224.32
  6. Step 6: Final answer
    x = 3,968.58

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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.