Home / 1,748.44-2,620.96-577.64

Finding the Fourth Proportional to 1,748.44, 2,620.96 and 577.64

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Solution

The fourth proportional to 1,748.44, 2,620.96 and 577.64 is: 865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.44 : 2,620.96 = 577.64 : x
  2. Step 2: Convert to fraction form
    1,748.44/2,620.96 = 577.64/x
  3. Step 3: Cross multiply
    1,748.44x = 2,620.96 × 577.64
  4. Step 4: Simplify right side
    1,748.44x = 1,513,971.33
  5. Step 5: Solve for x
    x = 1,513,971.33/1,748.44
  6. Step 6: Final answer
    x = 865.90

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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.