Home / 2,522.20-3,480.61-1,403.13

Finding the Fourth Proportional to 2,522.20, 3,480.61 and 1,403.13

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Solution

The fourth proportional to 2,522.20, 3,480.61 and 1,403.13 is: 1,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.20 : 3,480.61 = 1,403.13 : x
  2. Step 2: Convert to fraction form
    2,522.20/3,480.61 = 1,403.13/x
  3. Step 3: Cross multiply
    2,522.20x = 3,480.61 × 1,403.13
  4. Step 4: Simplify right side
    2,522.20x = 4,883,748.31
  5. Step 5: Solve for x
    x = 4,883,748.31/2,522.20
  6. Step 6: Final answer
    x = 1,936.30

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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.