Home / 2,235.25-3,355.21-1,650.91

Finding the Fourth Proportional to 2,235.25, 3,355.21 and 1,650.91

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Solution

The fourth proportional to 2,235.25, 3,355.21 and 1,650.91 is: 2,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.25 : 3,355.21 = 1,650.91 : x
  2. Step 2: Convert to fraction form
    2,235.25/3,355.21 = 1,650.91/x
  3. Step 3: Cross multiply
    2,235.25x = 3,355.21 × 1,650.91
  4. Step 4: Simplify right side
    2,235.25x = 5,539,137.23
  5. Step 5: Solve for x
    x = 5,539,137.23/2,235.25
  6. Step 6: Final answer
    x = 2,478.09

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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.