Home / 2,277.14-3,144.51-1,439.33

Finding the Fourth Proportional to 2,277.14, 3,144.51 and 1,439.33

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Solution

The fourth proportional to 2,277.14, 3,144.51 and 1,439.33 is: 1,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.14 : 3,144.51 = 1,439.33 : x
  2. Step 2: Convert to fraction form
    2,277.14/3,144.51 = 1,439.33/x
  3. Step 3: Cross multiply
    2,277.14x = 3,144.51 × 1,439.33
  4. Step 4: Simplify right side
    2,277.14x = 4,525,987.58
  5. Step 5: Solve for x
    x = 4,525,987.58/2,277.14
  6. Step 6: Final answer
    x = 1,987.58

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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.