Home / 3,218.97-4,830.90-2,355.51

Finding the Fourth Proportional to 3,218.97, 4,830.90 and 2,355.51

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Solution

The fourth proportional to 3,218.97, 4,830.90 and 2,355.51 is: 3,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.97 : 4,830.90 = 2,355.51 : x
  2. Step 2: Convert to fraction form
    3,218.97/4,830.90 = 2,355.51/x
  3. Step 3: Cross multiply
    3,218.97x = 4,830.90 × 2,355.51
  4. Step 4: Simplify right side
    3,218.97x = 11,379,233.26
  5. Step 5: Solve for x
    x = 11,379,233.26/3,218.97
  6. Step 6: Final answer
    x = 3,535.05

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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.