Home / 3,602.20-5,400.68-2,429.29

Finding the Fourth Proportional to 3,602.20, 5,400.68 and 2,429.29

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Solution

The fourth proportional to 3,602.20, 5,400.68 and 2,429.29 is: 3,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.20 : 5,400.68 = 2,429.29 : x
  2. Step 2: Convert to fraction form
    3,602.20/5,400.68 = 2,429.29/x
  3. Step 3: Cross multiply
    3,602.20x = 5,400.68 × 2,429.29
  4. Step 4: Simplify right side
    3,602.20x = 13,119,811.84
  5. Step 5: Solve for x
    x = 13,119,811.84/3,602.20
  6. Step 6: Final answer
    x = 3,642.16

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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.