Home / 1,639.77-2,450.06-1,582.37

Finding the Fourth Proportional to 1,639.77, 2,450.06 and 1,582.37

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Solution

The fourth proportional to 1,639.77, 2,450.06 and 1,582.37 is: 2,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.77 : 2,450.06 = 1,582.37 : x
  2. Step 2: Convert to fraction form
    1,639.77/2,450.06 = 1,582.37/x
  3. Step 3: Cross multiply
    1,639.77x = 2,450.06 × 1,582.37
  4. Step 4: Simplify right side
    1,639.77x = 3,876,893.15
  5. Step 5: Solve for x
    x = 3,876,893.15/1,639.77
  6. Step 6: Final answer
    x = 2,364.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.