Home / 2,230.56-3,078.45-1,346.85

Finding the Fourth Proportional to 2,230.56, 3,078.45 and 1,346.85

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Solution

The fourth proportional to 2,230.56, 3,078.45 and 1,346.85 is: 1,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.56 : 3,078.45 = 1,346.85 : x
  2. Step 2: Convert to fraction form
    2,230.56/3,078.45 = 1,346.85/x
  3. Step 3: Cross multiply
    2,230.56x = 3,078.45 × 1,346.85
  4. Step 4: Simplify right side
    2,230.56x = 4,146,210.38
  5. Step 5: Solve for x
    x = 4,146,210.38/2,230.56
  6. Step 6: Final answer
    x = 1,858.82

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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.