Home / 2,906.49-4,010.96-1,580.17

Finding the Fourth Proportional to 2,906.49, 4,010.96 and 1,580.17

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Solution

The fourth proportional to 2,906.49, 4,010.96 and 1,580.17 is: 2,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.49 : 4,010.96 = 1,580.17 : x
  2. Step 2: Convert to fraction form
    2,906.49/4,010.96 = 1,580.17/x
  3. Step 3: Cross multiply
    2,906.49x = 4,010.96 × 1,580.17
  4. Step 4: Simplify right side
    2,906.49x = 6,337,998.66
  5. Step 5: Solve for x
    x = 6,337,998.66/2,906.49
  6. Step 6: Final answer
    x = 2,180.64

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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.