Home / 3,836.78-5,762.45-2,386.07

Finding the Fourth Proportional to 3,836.78, 5,762.45 and 2,386.07

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Solution

The fourth proportional to 3,836.78, 5,762.45 and 2,386.07 is: 3,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.78 : 5,762.45 = 2,386.07 : x
  2. Step 2: Convert to fraction form
    3,836.78/5,762.45 = 2,386.07/x
  3. Step 3: Cross multiply
    3,836.78x = 5,762.45 × 2,386.07
  4. Step 4: Simplify right side
    3,836.78x = 13,749,580.26
  5. Step 5: Solve for x
    x = 13,749,580.26/3,836.78
  6. Step 6: Final answer
    x = 3,583.63

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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.