Home / 1,753.03-2,631.37-1,291.33

Finding the Fourth Proportional to 1,753.03, 2,631.37 and 1,291.33

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Solution

The fourth proportional to 1,753.03, 2,631.37 and 1,291.33 is: 1,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.03 : 2,631.37 = 1,291.33 : x
  2. Step 2: Convert to fraction form
    1,753.03/2,631.37 = 1,291.33/x
  3. Step 3: Cross multiply
    1,753.03x = 2,631.37 × 1,291.33
  4. Step 4: Simplify right side
    1,753.03x = 3,397,967.02
  5. Step 5: Solve for x
    x = 3,397,967.02/1,753.03
  6. Step 6: Final answer
    x = 1,938.34

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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.