Home / 1,863.03-2,588.81-1,842.78

Finding the Fourth Proportional to 1,863.03, 2,588.81 and 1,842.78

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Solution

The fourth proportional to 1,863.03, 2,588.81 and 1,842.78 is: 2,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.03 : 2,588.81 = 1,842.78 : x
  2. Step 2: Convert to fraction form
    1,863.03/2,588.81 = 1,842.78/x
  3. Step 3: Cross multiply
    1,863.03x = 2,588.81 × 1,842.78
  4. Step 4: Simplify right side
    1,863.03x = 4,770,607.29
  5. Step 5: Solve for x
    x = 4,770,607.29/1,863.03
  6. Step 6: Final answer
    x = 2,560.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.