Home / 1,771.24-2,444.43-985.29

Finding the Fourth Proportional to 1,771.24, 2,444.43 and 985.29

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Solution

The fourth proportional to 1,771.24, 2,444.43 and 985.29 is: 1,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.24 : 2,444.43 = 985.29 : x
  2. Step 2: Convert to fraction form
    1,771.24/2,444.43 = 985.29/x
  3. Step 3: Cross multiply
    1,771.24x = 2,444.43 × 985.29
  4. Step 4: Simplify right side
    1,771.24x = 2,408,468.30
  5. Step 5: Solve for x
    x = 2,408,468.30/1,771.24
  6. Step 6: Final answer
    x = 1,359.76

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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.