Home / 2,436.62-3,647.38-1,970.51

Finding the Fourth Proportional to 2,436.62, 3,647.38 and 1,970.51

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Solution

The fourth proportional to 2,436.62, 3,647.38 and 1,970.51 is: 2,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.62 : 3,647.38 = 1,970.51 : x
  2. Step 2: Convert to fraction form
    2,436.62/3,647.38 = 1,970.51/x
  3. Step 3: Cross multiply
    2,436.62x = 3,647.38 × 1,970.51
  4. Step 4: Simplify right side
    2,436.62x = 7,187,198.76
  5. Step 5: Solve for x
    x = 7,187,198.76/2,436.62
  6. Step 6: Final answer
    x = 2,949.66

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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.