Home / 2,485.34-3,728.46-1,023.68

Finding the Fourth Proportional to 2,485.34, 3,728.46 and 1,023.68

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Solution

The fourth proportional to 2,485.34, 3,728.46 and 1,023.68 is: 1,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.34 : 3,728.46 = 1,023.68 : x
  2. Step 2: Convert to fraction form
    2,485.34/3,728.46 = 1,023.68/x
  3. Step 3: Cross multiply
    2,485.34x = 3,728.46 × 1,023.68
  4. Step 4: Simplify right side
    2,485.34x = 3,816,749.93
  5. Step 5: Solve for x
    x = 3,816,749.93/2,485.34
  6. Step 6: Final answer
    x = 1,535.71

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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.