Home / 3,615.19-5,425.11-1,424.02

Finding the Fourth Proportional to 3,615.19, 5,425.11 and 1,424.02

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Solution

The fourth proportional to 3,615.19, 5,425.11 and 1,424.02 is: 2,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.19 : 5,425.11 = 1,424.02 : x
  2. Step 2: Convert to fraction form
    3,615.19/5,425.11 = 1,424.02/x
  3. Step 3: Cross multiply
    3,615.19x = 5,425.11 × 1,424.02
  4. Step 4: Simplify right side
    3,615.19x = 7,725,465.14
  5. Step 5: Solve for x
    x = 7,725,465.14/3,615.19
  6. Step 6: Final answer
    x = 2,136.95

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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.