Home / 1,869.60-2,578.98-1,083.54

Finding the Fourth Proportional to 1,869.60, 2,578.98 and 1,083.54

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Solution

The fourth proportional to 1,869.60, 2,578.98 and 1,083.54 is: 1,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.60 : 2,578.98 = 1,083.54 : x
  2. Step 2: Convert to fraction form
    1,869.60/2,578.98 = 1,083.54/x
  3. Step 3: Cross multiply
    1,869.60x = 2,578.98 × 1,083.54
  4. Step 4: Simplify right side
    1,869.60x = 2,794,427.99
  5. Step 5: Solve for x
    x = 2,794,427.99/1,869.60
  6. Step 6: Final answer
    x = 1,494.67

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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.