Home / 2,205.98-3,045.68-1,367.58

Finding the Fourth Proportional to 2,205.98, 3,045.68 and 1,367.58

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Solution

The fourth proportional to 2,205.98, 3,045.68 and 1,367.58 is: 1,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.98 : 3,045.68 = 1,367.58 : x
  2. Step 2: Convert to fraction form
    2,205.98/3,045.68 = 1,367.58/x
  3. Step 3: Cross multiply
    2,205.98x = 3,045.68 × 1,367.58
  4. Step 4: Simplify right side
    2,205.98x = 4,165,197.92
  5. Step 5: Solve for x
    x = 4,165,197.92/2,205.98
  6. Step 6: Final answer
    x = 1,888.14

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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.