Home / 1,949.08-2,923.64-1,299.48

Finding the Fourth Proportional to 1,949.08, 2,923.64 and 1,299.48

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Solution

The fourth proportional to 1,949.08, 2,923.64 and 1,299.48 is: 1,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.08 : 2,923.64 = 1,299.48 : x
  2. Step 2: Convert to fraction form
    1,949.08/2,923.64 = 1,299.48/x
  3. Step 3: Cross multiply
    1,949.08x = 2,923.64 × 1,299.48
  4. Step 4: Simplify right side
    1,949.08x = 3,799,211.71
  5. Step 5: Solve for x
    x = 3,799,211.71/1,949.08
  6. Step 6: Final answer
    x = 1,949.23

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1.5x scale

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.