Home / 1,771.27-2,444.36-985.31

Finding the Fourth Proportional to 1,771.27, 2,444.36 and 985.31

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Solution

The fourth proportional to 1,771.27, 2,444.36 and 985.31 is: 1,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.27 : 2,444.36 = 985.31 : x
  2. Step 2: Convert to fraction form
    1,771.27/2,444.36 = 985.31/x
  3. Step 3: Cross multiply
    1,771.27x = 2,444.36 × 985.31
  4. Step 4: Simplify right side
    1,771.27x = 2,408,453.54
  5. Step 5: Solve for x
    x = 2,408,453.54/1,771.27
  6. Step 6: Final answer
    x = 1,359.73

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1.5x scale

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.