Home / 3,090.29-4,633.03-1,529.21

Finding the Fourth Proportional to 3,090.29, 4,633.03 and 1,529.21

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Solution

The fourth proportional to 3,090.29, 4,633.03 and 1,529.21 is: 2,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.29 : 4,633.03 = 1,529.21 : x
  2. Step 2: Convert to fraction form
    3,090.29/4,633.03 = 1,529.21/x
  3. Step 3: Cross multiply
    3,090.29x = 4,633.03 × 1,529.21
  4. Step 4: Simplify right side
    3,090.29x = 7,084,889.30
  5. Step 5: Solve for x
    x = 7,084,889.30/3,090.29
  6. Step 6: Final answer
    x = 2,292.63

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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.