Home / 2,429.24-3,643.36-2,021

Finding the Fourth Proportional to 2,429.24, 3,643.36 and 2,021

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Solution

The fourth proportional to 2,429.24, 3,643.36 and 2,021 is: 3,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.24 : 3,643.36 = 2,021 : x
  2. Step 2: Convert to fraction form
    2,429.24/3,643.36 = 2,021/x
  3. Step 3: Cross multiply
    2,429.24x = 3,643.36 × 2,021
  4. Step 4: Simplify right side
    2,429.24x = 7,363,230.56
  5. Step 5: Solve for x
    x = 7,363,230.56/2,429.24
  6. Step 6: Final answer
    x = 3,031.08

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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.