Home / 2,158.77-3,235.42-1,234.83

Finding the Fourth Proportional to 2,158.77, 3,235.42 and 1,234.83

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Solution

The fourth proportional to 2,158.77, 3,235.42 and 1,234.83 is: 1,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.77 : 3,235.42 = 1,234.83 : x
  2. Step 2: Convert to fraction form
    2,158.77/3,235.42 = 1,234.83/x
  3. Step 3: Cross multiply
    2,158.77x = 3,235.42 × 1,234.83
  4. Step 4: Simplify right side
    2,158.77x = 3,995,193.68
  5. Step 5: Solve for x
    x = 3,995,193.68/2,158.77
  6. Step 6: Final answer
    x = 1,850.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.