Home / 1,893.38-2,613.36-1,147.37

Finding the Fourth Proportional to 1,893.38, 2,613.36 and 1,147.37

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Solution

The fourth proportional to 1,893.38, 2,613.36 and 1,147.37 is: 1,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.38 : 2,613.36 = 1,147.37 : x
  2. Step 2: Convert to fraction form
    1,893.38/2,613.36 = 1,147.37/x
  3. Step 3: Cross multiply
    1,893.38x = 2,613.36 × 1,147.37
  4. Step 4: Simplify right side
    1,893.38x = 2,998,482.10
  5. Step 5: Solve for x
    x = 2,998,482.10/1,893.38
  6. Step 6: Final answer
    x = 1,583.67

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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.