Home / 3,226.32-4,454.46-2,876.40

Finding the Fourth Proportional to 3,226.32, 4,454.46 and 2,876.40

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Solution

The fourth proportional to 3,226.32, 4,454.46 and 2,876.40 is: 3,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.32 : 4,454.46 = 2,876.40 : x
  2. Step 2: Convert to fraction form
    3,226.32/4,454.46 = 2,876.40/x
  3. Step 3: Cross multiply
    3,226.32x = 4,454.46 × 2,876.40
  4. Step 4: Simplify right side
    3,226.32x = 12,812,808.74
  5. Step 5: Solve for x
    x = 12,812,808.74/3,226.32
  6. Step 6: Final answer
    x = 3,971.34

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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.