Home / 2,246.71-3,102.37-1,408.82

Finding the Fourth Proportional to 2,246.71, 3,102.37 and 1,408.82

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Solution

The fourth proportional to 2,246.71, 3,102.37 and 1,408.82 is: 1,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.71 : 3,102.37 = 1,408.82 : x
  2. Step 2: Convert to fraction form
    2,246.71/3,102.37 = 1,408.82/x
  3. Step 3: Cross multiply
    2,246.71x = 3,102.37 × 1,408.82
  4. Step 4: Simplify right side
    2,246.71x = 4,370,661.87
  5. Step 5: Solve for x
    x = 4,370,661.87/2,246.71
  6. Step 6: Final answer
    x = 1,945.36

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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.