Home / 3,048.34-4,202.40-2,163.82

Finding the Fourth Proportional to 3,048.34, 4,202.40 and 2,163.82

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Solution

The fourth proportional to 3,048.34, 4,202.40 and 2,163.82 is: 2,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.34 : 4,202.40 = 2,163.82 : x
  2. Step 2: Convert to fraction form
    3,048.34/4,202.40 = 2,163.82/x
  3. Step 3: Cross multiply
    3,048.34x = 4,202.40 × 2,163.82
  4. Step 4: Simplify right side
    3,048.34x = 9,093,237.17
  5. Step 5: Solve for x
    x = 9,093,237.17/3,048.34
  6. Step 6: Final answer
    x = 2,983.01

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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.