Home / 1,971.24-2,704-1,930.23

Finding the Fourth Proportional to 1,971.24, 2,704 and 1,930.23

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Solution

The fourth proportional to 1,971.24, 2,704 and 1,930.23 is: 2,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.24 : 2,704 = 1,930.23 : x
  2. Step 2: Convert to fraction form
    1,971.24/2,704 = 1,930.23/x
  3. Step 3: Cross multiply
    1,971.24x = 2,704 × 1,930.23
  4. Step 4: Simplify right side
    1,971.24x = 5,219,341.92
  5. Step 5: Solve for x
    x = 5,219,341.92/1,971.24
  6. Step 6: Final answer
    x = 2,647.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.