Home / 3,226.77-4,840.20-918.27

Finding the Fourth Proportional to 3,226.77, 4,840.20 and 918.27

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Solution

The fourth proportional to 3,226.77, 4,840.20 and 918.27 is: 1,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.77 : 4,840.20 = 918.27 : x
  2. Step 2: Convert to fraction form
    3,226.77/4,840.20 = 918.27/x
  3. Step 3: Cross multiply
    3,226.77x = 4,840.20 × 918.27
  4. Step 4: Simplify right side
    3,226.77x = 4,444,610.45
  5. Step 5: Solve for x
    x = 4,444,610.45/3,226.77
  6. Step 6: Final answer
    x = 1,377.42

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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.