Home / 1,860.27-2,790.93-1,512.75

Finding the Fourth Proportional to 1,860.27, 2,790.93 and 1,512.75

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Solution

The fourth proportional to 1,860.27, 2,790.93 and 1,512.75 is: 2,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.27 : 2,790.93 = 1,512.75 : x
  2. Step 2: Convert to fraction form
    1,860.27/2,790.93 = 1,512.75/x
  3. Step 3: Cross multiply
    1,860.27x = 2,790.93 × 1,512.75
  4. Step 4: Simplify right side
    1,860.27x = 4,221,979.36
  5. Step 5: Solve for x
    x = 4,221,979.36/1,860.27
  6. Step 6: Final answer
    x = 2,269.55

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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.