Home / 1,749.82-2,415.60-1,182.81

Finding the Fourth Proportional to 1,749.82, 2,415.60 and 1,182.81

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Solution

The fourth proportional to 1,749.82, 2,415.60 and 1,182.81 is: 1,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.82 : 2,415.60 = 1,182.81 : x
  2. Step 2: Convert to fraction form
    1,749.82/2,415.60 = 1,182.81/x
  3. Step 3: Cross multiply
    1,749.82x = 2,415.60 × 1,182.81
  4. Step 4: Simplify right side
    1,749.82x = 2,857,195.84
  5. Step 5: Solve for x
    x = 2,857,195.84/1,749.82
  6. Step 6: Final answer
    x = 1,632.85

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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.