Home / 2,230.98-3,078.87-1,346.77

Finding the Fourth Proportional to 2,230.98, 3,078.87 and 1,346.77

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Solution

The fourth proportional to 2,230.98, 3,078.87 and 1,346.77 is: 1,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.98 : 3,078.87 = 1,346.77 : x
  2. Step 2: Convert to fraction form
    2,230.98/3,078.87 = 1,346.77/x
  3. Step 3: Cross multiply
    2,230.98x = 3,078.87 × 1,346.77
  4. Step 4: Simplify right side
    2,230.98x = 4,146,529.75
  5. Step 5: Solve for x
    x = 4,146,529.75/2,230.98
  6. Step 6: Final answer
    x = 1,858.61

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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.