Home / 3,852.55-5,782.20-2,290.60

Finding the Fourth Proportional to 3,852.55, 5,782.20 and 2,290.60

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Solution

The fourth proportional to 3,852.55, 5,782.20 and 2,290.60 is: 3,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.55 : 5,782.20 = 2,290.60 : x
  2. Step 2: Convert to fraction form
    3,852.55/5,782.20 = 2,290.60/x
  3. Step 3: Cross multiply
    3,852.55x = 5,782.20 × 2,290.60
  4. Step 4: Simplify right side
    3,852.55x = 13,244,707.32
  5. Step 5: Solve for x
    x = 13,244,707.32/3,852.55
  6. Step 6: Final answer
    x = 3,437.91

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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.