Home / 2,838.95-3,917.77-1,580.07

Finding the Fourth Proportional to 2,838.95, 3,917.77 and 1,580.07

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Solution

The fourth proportional to 2,838.95, 3,917.77 and 1,580.07 is: 2,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.95 : 3,917.77 = 1,580.07 : x
  2. Step 2: Convert to fraction form
    2,838.95/3,917.77 = 1,580.07/x
  3. Step 3: Cross multiply
    2,838.95x = 3,917.77 × 1,580.07
  4. Step 4: Simplify right side
    2,838.95x = 6,190,361.59
  5. Step 5: Solve for x
    x = 6,190,361.59/2,838.95
  6. Step 6: Final answer
    x = 2,180.51

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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.