Home / 2,749.69-3,794.58-1,631.18

Finding the Fourth Proportional to 2,749.69, 3,794.58 and 1,631.18

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Solution

The fourth proportional to 2,749.69, 3,794.58 and 1,631.18 is: 2,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.69 : 3,794.58 = 1,631.18 : x
  2. Step 2: Convert to fraction form
    2,749.69/3,794.58 = 1,631.18/x
  3. Step 3: Cross multiply
    2,749.69x = 3,794.58 × 1,631.18
  4. Step 4: Simplify right side
    2,749.69x = 6,189,643.00
  5. Step 5: Solve for x
    x = 6,189,643.00/2,749.69
  6. Step 6: Final answer
    x = 2,251.03

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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.