Home / 3,503.46-4,837.14-2,179.20

Finding the Fourth Proportional to 3,503.46, 4,837.14 and 2,179.20

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Solution

The fourth proportional to 3,503.46, 4,837.14 and 2,179.20 is: 3,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.46 : 4,837.14 = 2,179.20 : x
  2. Step 2: Convert to fraction form
    3,503.46/4,837.14 = 2,179.20/x
  3. Step 3: Cross multiply
    3,503.46x = 4,837.14 × 2,179.20
  4. Step 4: Simplify right side
    3,503.46x = 10,541,095.49
  5. Step 5: Solve for x
    x = 10,541,095.49/3,503.46
  6. Step 6: Final answer
    x = 3,008.77

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Half 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.