Home / 1,500.36-2,252.70-1,111.56

Finding the Fourth Proportional to 1,500.36, 2,252.70 and 1,111.56

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Solution

The fourth proportional to 1,500.36, 2,252.70 and 1,111.56 is: 1,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.36 : 2,252.70 = 1,111.56 : x
  2. Step 2: Convert to fraction form
    1,500.36/2,252.70 = 1,111.56/x
  3. Step 3: Cross multiply
    1,500.36x = 2,252.70 × 1,111.56
  4. Step 4: Simplify right side
    1,500.36x = 2,504,011.21
  5. Step 5: Solve for x
    x = 2,504,011.21/1,500.36
  6. Step 6: Final answer
    x = 1,668.94

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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.