Home / 2,522.21-3,480.48-1,403.06

Finding the Fourth Proportional to 2,522.21, 3,480.48 and 1,403.06

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Solution

The fourth proportional to 2,522.21, 3,480.48 and 1,403.06 is: 1,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.21 : 3,480.48 = 1,403.06 : x
  2. Step 2: Convert to fraction form
    2,522.21/3,480.48 = 1,403.06/x
  3. Step 3: Cross multiply
    2,522.21x = 3,480.48 × 1,403.06
  4. Step 4: Simplify right side
    2,522.21x = 4,883,322.27
  5. Step 5: Solve for x
    x = 4,883,322.27/2,522.21
  6. Step 6: Final answer
    x = 1,936.13

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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.