Home / 1,502.22-2,252.13-985.44

Finding the Fourth Proportional to 1,502.22, 2,252.13 and 985.44

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Solution

The fourth proportional to 1,502.22, 2,252.13 and 985.44 is: 1,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.22 : 2,252.13 = 985.44 : x
  2. Step 2: Convert to fraction form
    1,502.22/2,252.13 = 985.44/x
  3. Step 3: Cross multiply
    1,502.22x = 2,252.13 × 985.44
  4. Step 4: Simplify right side
    1,502.22x = 2,219,338.99
  5. Step 5: Solve for x
    x = 2,219,338.99/1,502.22
  6. Step 6: Final answer
    x = 1,477.37

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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.