Home / 2,749.16-4,142.60-2,272.88

Finding the Fourth Proportional to 2,749.16, 4,142.60 and 2,272.88

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Solution

The fourth proportional to 2,749.16, 4,142.60 and 2,272.88 is: 3,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.16 : 4,142.60 = 2,272.88 : x
  2. Step 2: Convert to fraction form
    2,749.16/4,142.60 = 2,272.88/x
  3. Step 3: Cross multiply
    2,749.16x = 4,142.60 × 2,272.88
  4. Step 4: Simplify right side
    2,749.16x = 9,415,632.69
  5. Step 5: Solve for x
    x = 9,415,632.69/2,749.16
  6. Step 6: Final answer
    x = 3,424.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.