Home / 2,388.07-3,580.77-1,897.61

Finding the Fourth Proportional to 2,388.07, 3,580.77 and 1,897.61

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Solution

The fourth proportional to 2,388.07, 3,580.77 and 1,897.61 is: 2,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.07 : 3,580.77 = 1,897.61 : x
  2. Step 2: Convert to fraction form
    2,388.07/3,580.77 = 1,897.61/x
  3. Step 3: Cross multiply
    2,388.07x = 3,580.77 × 1,897.61
  4. Step 4: Simplify right side
    2,388.07x = 6,794,895.47
  5. Step 5: Solve for x
    x = 6,794,895.47/2,388.07
  6. Step 6: Final answer
    x = 2,845.36

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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.