Home / 1,917.89-2,880.48-1,192.53

Finding the Fourth Proportional to 1,917.89, 2,880.48 and 1,192.53

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Solution

The fourth proportional to 1,917.89, 2,880.48 and 1,192.53 is: 1,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.89 : 2,880.48 = 1,192.53 : x
  2. Step 2: Convert to fraction form
    1,917.89/2,880.48 = 1,192.53/x
  3. Step 3: Cross multiply
    1,917.89x = 2,880.48 × 1,192.53
  4. Step 4: Simplify right side
    1,917.89x = 3,435,058.81
  5. Step 5: Solve for x
    x = 3,435,058.81/1,917.89
  6. Step 6: Final answer
    x = 1,791.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.