Home / 2,522.11-3,480.45-1,403.05

Finding the Fourth Proportional to 2,522.11, 3,480.45 and 1,403.05

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Solution

The fourth proportional to 2,522.11, 3,480.45 and 1,403.05 is: 1,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.11 : 3,480.45 = 1,403.05 : x
  2. Step 2: Convert to fraction form
    2,522.11/3,480.45 = 1,403.05/x
  3. Step 3: Cross multiply
    2,522.11x = 3,480.45 × 1,403.05
  4. Step 4: Simplify right side
    2,522.11x = 4,883,245.37
  5. Step 5: Solve for x
    x = 4,883,245.37/2,522.11
  6. Step 6: Final answer
    x = 1,936.17

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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.