Home / 1,967.23-2,949.91-1,145.74

Finding the Fourth Proportional to 1,967.23, 2,949.91 and 1,145.74

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Solution

The fourth proportional to 1,967.23, 2,949.91 and 1,145.74 is: 1,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.23 : 2,949.91 = 1,145.74 : x
  2. Step 2: Convert to fraction form
    1,967.23/2,949.91 = 1,145.74/x
  3. Step 3: Cross multiply
    1,967.23x = 2,949.91 × 1,145.74
  4. Step 4: Simplify right side
    1,967.23x = 3,379,829.88
  5. Step 5: Solve for x
    x = 3,379,829.88/1,967.23
  6. Step 6: Final answer
    x = 1,718.07

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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.