Home / 2,230.59-3,078.23-1,235.94

Finding the Fourth Proportional to 2,230.59, 3,078.23 and 1,235.94

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Solution

The fourth proportional to 2,230.59, 3,078.23 and 1,235.94 is: 1,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.59 : 3,078.23 = 1,235.94 : x
  2. Step 2: Convert to fraction form
    2,230.59/3,078.23 = 1,235.94/x
  3. Step 3: Cross multiply
    2,230.59x = 3,078.23 × 1,235.94
  4. Step 4: Simplify right side
    2,230.59x = 3,804,507.59
  5. Step 5: Solve for x
    x = 3,804,507.59/2,230.59
  6. Step 6: Final answer
    x = 1,705.61

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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.