Home / 2,522.30-3,481-1,403.22

Finding the Fourth Proportional to 2,522.30, 3,481 and 1,403.22

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Solution

The fourth proportional to 2,522.30, 3,481 and 1,403.22 is: 1,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.30 : 3,481 = 1,403.22 : x
  2. Step 2: Convert to fraction form
    2,522.30/3,481 = 1,403.22/x
  3. Step 3: Cross multiply
    2,522.30x = 3,481 × 1,403.22
  4. Step 4: Simplify right side
    2,522.30x = 4,884,608.82
  5. Step 5: Solve for x
    x = 4,884,608.82/2,522.30
  6. Step 6: Final answer
    x = 1,936.57

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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.