Home / 2,114.44-2,918.12-1,275.56

Finding the Fourth Proportional to 2,114.44, 2,918.12 and 1,275.56

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Solution

The fourth proportional to 2,114.44, 2,918.12 and 1,275.56 is: 1,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.44 : 2,918.12 = 1,275.56 : x
  2. Step 2: Convert to fraction form
    2,114.44/2,918.12 = 1,275.56/x
  3. Step 3: Cross multiply
    2,114.44x = 2,918.12 × 1,275.56
  4. Step 4: Simplify right side
    2,114.44x = 3,722,237.15
  5. Step 5: Solve for x
    x = 3,722,237.15/2,114.44
  6. Step 6: Final answer
    x = 1,760.39

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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.