Home / 2,386.44-3,580.26-743.22

Finding the Fourth Proportional to 2,386.44, 3,580.26 and 743.22

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Solution

The fourth proportional to 2,386.44, 3,580.26 and 743.22 is: 1,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.44 : 3,580.26 = 743.22 : x
  2. Step 2: Convert to fraction form
    2,386.44/3,580.26 = 743.22/x
  3. Step 3: Cross multiply
    2,386.44x = 3,580.26 × 743.22
  4. Step 4: Simplify right side
    2,386.44x = 2,660,920.84
  5. Step 5: Solve for x
    x = 2,660,920.84/2,386.44
  6. Step 6: Final answer
    x = 1,115.02

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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.