Home / 2,522.77-3,481.41-1,403.80

Finding the Fourth Proportional to 2,522.77, 3,481.41 and 1,403.80

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Solution

The fourth proportional to 2,522.77, 3,481.41 and 1,403.80 is: 1,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.77 : 3,481.41 = 1,403.80 : x
  2. Step 2: Convert to fraction form
    2,522.77/3,481.41 = 1,403.80/x
  3. Step 3: Cross multiply
    2,522.77x = 3,481.41 × 1,403.80
  4. Step 4: Simplify right side
    2,522.77x = 4,887,203.36
  5. Step 5: Solve for x
    x = 4,887,203.36/2,522.77
  6. Step 6: Final answer
    x = 1,937.24

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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.