Home / 2,205.23-3,045.87-1,758.65

Finding the Fourth Proportional to 2,205.23, 3,045.87 and 1,758.65

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Solution

The fourth proportional to 2,205.23, 3,045.87 and 1,758.65 is: 2,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.23 : 3,045.87 = 1,758.65 : x
  2. Step 2: Convert to fraction form
    2,205.23/3,045.87 = 1,758.65/x
  3. Step 3: Cross multiply
    2,205.23x = 3,045.87 × 1,758.65
  4. Step 4: Simplify right side
    2,205.23x = 5,356,604.05
  5. Step 5: Solve for x
    x = 5,356,604.05/2,205.23
  6. Step 6: Final answer
    x = 2,429.05

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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.