Home / 1,992.16-2,749.52-1,519.36

Finding the Fourth Proportional to 1,992.16, 2,749.52 and 1,519.36

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Solution

The fourth proportional to 1,992.16, 2,749.52 and 1,519.36 is: 2,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.16 : 2,749.52 = 1,519.36 : x
  2. Step 2: Convert to fraction form
    1,992.16/2,749.52 = 1,519.36/x
  3. Step 3: Cross multiply
    1,992.16x = 2,749.52 × 1,519.36
  4. Step 4: Simplify right side
    1,992.16x = 4,177,510.71
  5. Step 5: Solve for x
    x = 4,177,510.71/1,992.16
  6. Step 6: Final answer
    x = 2,096.98

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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.