Home / 2,572.37-3,859.64-1,648.43

Finding the Fourth Proportional to 2,572.37, 3,859.64 and 1,648.43

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Solution

The fourth proportional to 2,572.37, 3,859.64 and 1,648.43 is: 2,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.37 : 3,859.64 = 1,648.43 : x
  2. Step 2: Convert to fraction form
    2,572.37/3,859.64 = 1,648.43/x
  3. Step 3: Cross multiply
    2,572.37x = 3,859.64 × 1,648.43
  4. Step 4: Simplify right side
    2,572.37x = 6,362,338.12
  5. Step 5: Solve for x
    x = 6,362,338.12/2,572.37
  6. Step 6: Final answer
    x = 2,473.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.