Home / 2,906.32-4,010.75-1,580.02

Finding the Fourth Proportional to 2,906.32, 4,010.75 and 1,580.02

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Solution

The fourth proportional to 2,906.32, 4,010.75 and 1,580.02 is: 2,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.32 : 4,010.75 = 1,580.02 : x
  2. Step 2: Convert to fraction form
    2,906.32/4,010.75 = 1,580.02/x
  3. Step 3: Cross multiply
    2,906.32x = 4,010.75 × 1,580.02
  4. Step 4: Simplify right side
    2,906.32x = 6,337,065.22
  5. Step 5: Solve for x
    x = 6,337,065.22/2,906.32
  6. Step 6: Final answer
    x = 2,180.44

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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.