Home / 2,449.25-3,380.43-1,455.07

Finding the Fourth Proportional to 2,449.25, 3,380.43 and 1,455.07

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Solution

The fourth proportional to 2,449.25, 3,380.43 and 1,455.07 is: 2,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.25 : 3,380.43 = 1,455.07 : x
  2. Step 2: Convert to fraction form
    2,449.25/3,380.43 = 1,455.07/x
  3. Step 3: Cross multiply
    2,449.25x = 3,380.43 × 1,455.07
  4. Step 4: Simplify right side
    2,449.25x = 4,918,762.28
  5. Step 5: Solve for x
    x = 4,918,762.28/2,449.25
  6. Step 6: Final answer
    x = 2,008.27

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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.