Home / 2,292.37-3,163.56-1,408.46

Finding the Fourth Proportional to 2,292.37, 3,163.56 and 1,408.46

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Solution

The fourth proportional to 2,292.37, 3,163.56 and 1,408.46 is: 1,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.37 : 3,163.56 = 1,408.46 : x
  2. Step 2: Convert to fraction form
    2,292.37/3,163.56 = 1,408.46/x
  3. Step 3: Cross multiply
    2,292.37x = 3,163.56 × 1,408.46
  4. Step 4: Simplify right side
    2,292.37x = 4,455,737.83
  5. Step 5: Solve for x
    x = 4,455,737.83/2,292.37
  6. Step 6: Final answer
    x = 1,943.73

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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.