Home / 2,418.39-3,628.13-1,322.19

Finding the Fourth Proportional to 2,418.39, 3,628.13 and 1,322.19

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Solution

The fourth proportional to 2,418.39, 3,628.13 and 1,322.19 is: 1,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.39 : 3,628.13 = 1,322.19 : x
  2. Step 2: Convert to fraction form
    2,418.39/3,628.13 = 1,322.19/x
  3. Step 3: Cross multiply
    2,418.39x = 3,628.13 × 1,322.19
  4. Step 4: Simplify right side
    2,418.39x = 4,797,070.59
  5. Step 5: Solve for x
    x = 4,797,070.59/2,418.39
  6. Step 6: Final answer
    x = 1,983.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.