Home / 2,906.42-4,010.82-1,580.06

Finding the Fourth Proportional to 2,906.42, 4,010.82 and 1,580.06

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Solution

The fourth proportional to 2,906.42, 4,010.82 and 1,580.06 is: 2,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.42 : 4,010.82 = 1,580.06 : x
  2. Step 2: Convert to fraction form
    2,906.42/4,010.82 = 1,580.06/x
  3. Step 3: Cross multiply
    2,906.42x = 4,010.82 × 1,580.06
  4. Step 4: Simplify right side
    2,906.42x = 6,337,336.25
  5. Step 5: Solve for x
    x = 6,337,336.25/2,906.42
  6. Step 6: Final answer
    x = 2,180.46

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1.5x scale

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.