Home / 1,863.18-2,805.60-1,346.72

Finding the Fourth Proportional to 1,863.18, 2,805.60 and 1,346.72

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Solution

The fourth proportional to 1,863.18, 2,805.60 and 1,346.72 is: 2,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.18 : 2,805.60 = 1,346.72 : x
  2. Step 2: Convert to fraction form
    1,863.18/2,805.60 = 1,346.72/x
  3. Step 3: Cross multiply
    1,863.18x = 2,805.60 × 1,346.72
  4. Step 4: Simplify right side
    1,863.18x = 3,778,343.60
  5. Step 5: Solve for x
    x = 3,778,343.60/1,863.18
  6. Step 6: Final answer
    x = 2,027.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.