Home / 2,619.62-3,615.13-1,424.67

Finding the Fourth Proportional to 2,619.62, 3,615.13 and 1,424.67

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Solution

The fourth proportional to 2,619.62, 3,615.13 and 1,424.67 is: 1,966.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.62 : 3,615.13 = 1,424.67 : x
  2. Step 2: Convert to fraction form
    2,619.62/3,615.13 = 1,424.67/x
  3. Step 3: Cross multiply
    2,619.62x = 3,615.13 × 1,424.67
  4. Step 4: Simplify right side
    2,619.62x = 5,150,367.26
  5. Step 5: Solve for x
    x = 5,150,367.26/2,619.62
  6. Step 6: Final answer
    x = 1,966.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.