Home / 3,722.76-5,584.47-1,090.30

Finding the Fourth Proportional to 3,722.76, 5,584.47 and 1,090.30

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Solution

The fourth proportional to 3,722.76, 5,584.47 and 1,090.30 is: 1,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.76 : 5,584.47 = 1,090.30 : x
  2. Step 2: Convert to fraction form
    3,722.76/5,584.47 = 1,090.30/x
  3. Step 3: Cross multiply
    3,722.76x = 5,584.47 × 1,090.30
  4. Step 4: Simplify right side
    3,722.76x = 6,088,747.64
  5. Step 5: Solve for x
    x = 6,088,747.64/3,722.76
  6. Step 6: Final answer
    x = 1,635.55

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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.