Home / 2,025.45-3,038.67-792.90

Finding the Fourth Proportional to 2,025.45, 3,038.67 and 792.90

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Solution

The fourth proportional to 2,025.45, 3,038.67 and 792.90 is: 1,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.45 : 3,038.67 = 792.90 : x
  2. Step 2: Convert to fraction form
    2,025.45/3,038.67 = 792.90/x
  3. Step 3: Cross multiply
    2,025.45x = 3,038.67 × 792.90
  4. Step 4: Simplify right side
    2,025.45x = 2,409,361.44
  5. Step 5: Solve for x
    x = 2,409,361.44/2,025.45
  6. Step 6: Final answer
    x = 1,189.54

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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.