Home / 1,992.04-2,749.22-1,108.06

Finding the Fourth Proportional to 1,992.04, 2,749.22 and 1,108.06

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Solution

The fourth proportional to 1,992.04, 2,749.22 and 1,108.06 is: 1,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.04 : 2,749.22 = 1,108.06 : x
  2. Step 2: Convert to fraction form
    1,992.04/2,749.22 = 1,108.06/x
  3. Step 3: Cross multiply
    1,992.04x = 2,749.22 × 1,108.06
  4. Step 4: Simplify right side
    1,992.04x = 3,046,300.71
  5. Step 5: Solve for x
    x = 3,046,300.71/1,992.04
  6. Step 6: Final answer
    x = 1,529.24

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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.