Home / 2,371.23-3,555.32-985.52

Finding the Fourth Proportional to 2,371.23, 3,555.32 and 985.52

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Solution

The fourth proportional to 2,371.23, 3,555.32 and 985.52 is: 1,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.23 : 3,555.32 = 985.52 : x
  2. Step 2: Convert to fraction form
    2,371.23/3,555.32 = 985.52/x
  3. Step 3: Cross multiply
    2,371.23x = 3,555.32 × 985.52
  4. Step 4: Simplify right side
    2,371.23x = 3,503,816.26
  5. Step 5: Solve for x
    x = 3,503,816.26/2,371.23
  6. Step 6: Final answer
    x = 1,477.64

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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.