Home / 3,533.45-4,874.46-2,116.76

Finding the Fourth Proportional to 3,533.45, 4,874.46 and 2,116.76

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Solution

The fourth proportional to 3,533.45, 4,874.46 and 2,116.76 is: 2,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.45 : 4,874.46 = 2,116.76 : x
  2. Step 2: Convert to fraction form
    3,533.45/4,874.46 = 2,116.76/x
  3. Step 3: Cross multiply
    3,533.45x = 4,874.46 × 2,116.76
  4. Step 4: Simplify right side
    3,533.45x = 10,318,061.95
  5. Step 5: Solve for x
    x = 10,318,061.95/3,533.45
  6. Step 6: Final answer
    x = 2,920.11

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Half scale
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Double scale
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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.