Home / 1,992.37-2,749.93-1,153.56

Finding the Fourth Proportional to 1,992.37, 2,749.93 and 1,153.56

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Solution

The fourth proportional to 1,992.37, 2,749.93 and 1,153.56 is: 1,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.37 : 2,749.93 = 1,153.56 : x
  2. Step 2: Convert to fraction form
    1,992.37/2,749.93 = 1,153.56/x
  3. Step 3: Cross multiply
    1,992.37x = 2,749.93 × 1,153.56
  4. Step 4: Simplify right side
    1,992.37x = 3,172,221.00
  5. Step 5: Solve for x
    x = 3,172,221.00/1,992.37
  6. Step 6: Final answer
    x = 1,592.19

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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.