Home / 1,629.92-2,247.50-1,105.04

Finding the Fourth Proportional to 1,629.92, 2,247.50 and 1,105.04

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Solution

The fourth proportional to 1,629.92, 2,247.50 and 1,105.04 is: 1,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.92 : 2,247.50 = 1,105.04 : x
  2. Step 2: Convert to fraction form
    1,629.92/2,247.50 = 1,105.04/x
  3. Step 3: Cross multiply
    1,629.92x = 2,247.50 × 1,105.04
  4. Step 4: Simplify right side
    1,629.92x = 2,483,577.40
  5. Step 5: Solve for x
    x = 2,483,577.40/1,629.92
  6. Step 6: Final answer
    x = 1,523.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.