Home / 2,906.36-4,010.79-1,580.07

Finding the Fourth Proportional to 2,906.36, 4,010.79 and 1,580.07

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Solution

The fourth proportional to 2,906.36, 4,010.79 and 1,580.07 is: 2,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.36 : 4,010.79 = 1,580.07 : x
  2. Step 2: Convert to fraction form
    2,906.36/4,010.79 = 1,580.07/x
  3. Step 3: Cross multiply
    2,906.36x = 4,010.79 × 1,580.07
  4. Step 4: Simplify right side
    2,906.36x = 6,337,328.96
  5. Step 5: Solve for x
    x = 6,337,328.96/2,906.36
  6. Step 6: Final answer
    x = 2,180.50

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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.