Home / 1,856.03-2,780.37-1,394.33

Finding the Fourth Proportional to 1,856.03, 2,780.37 and 1,394.33

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Solution

The fourth proportional to 1,856.03, 2,780.37 and 1,394.33 is: 2,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.03 : 2,780.37 = 1,394.33 : x
  2. Step 2: Convert to fraction form
    1,856.03/2,780.37 = 1,394.33/x
  3. Step 3: Cross multiply
    1,856.03x = 2,780.37 × 1,394.33
  4. Step 4: Simplify right side
    1,856.03x = 3,876,739.40
  5. Step 5: Solve for x
    x = 3,876,739.40/1,856.03
  6. Step 6: Final answer
    x = 2,088.73

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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.