Home / 1,918.03-2,883.50-1,512.07

Finding the Fourth Proportional to 1,918.03, 2,883.50 and 1,512.07

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Solution

The fourth proportional to 1,918.03, 2,883.50 and 1,512.07 is: 2,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.03 : 2,883.50 = 1,512.07 : x
  2. Step 2: Convert to fraction form
    1,918.03/2,883.50 = 1,512.07/x
  3. Step 3: Cross multiply
    1,918.03x = 2,883.50 × 1,512.07
  4. Step 4: Simplify right side
    1,918.03x = 4,360,044.75
  5. Step 5: Solve for x
    x = 4,360,044.75/1,918.03
  6. Step 6: Final answer
    x = 2,273.19

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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.