Home / 1,886.31-2,604.41-1,443.44

Finding the Fourth Proportional to 1,886.31, 2,604.41 and 1,443.44

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Solution

The fourth proportional to 1,886.31, 2,604.41 and 1,443.44 is: 1,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.31 : 2,604.41 = 1,443.44 : x
  2. Step 2: Convert to fraction form
    1,886.31/2,604.41 = 1,443.44/x
  3. Step 3: Cross multiply
    1,886.31x = 2,604.41 × 1,443.44
  4. Step 4: Simplify right side
    1,886.31x = 3,759,289.33
  5. Step 5: Solve for x
    x = 3,759,289.33/1,886.31
  6. Step 6: Final answer
    x = 1,992.93

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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.