Home / 3,485.72-5,226.66-2,390.36

Finding the Fourth Proportional to 3,485.72, 5,226.66 and 2,390.36

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Solution

The fourth proportional to 3,485.72, 5,226.66 and 2,390.36 is: 3,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.72 : 5,226.66 = 2,390.36 : x
  2. Step 2: Convert to fraction form
    3,485.72/5,226.66 = 2,390.36/x
  3. Step 3: Cross multiply
    3,485.72x = 5,226.66 × 2,390.36
  4. Step 4: Simplify right side
    3,485.72x = 12,493,599.00
  5. Step 5: Solve for x
    x = 12,493,599.00/3,485.72
  6. Step 6: Final answer
    x = 3,584.22

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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.