Home / 2,025.72-3,036.36-1,861.72

Finding the Fourth Proportional to 2,025.72, 3,036.36 and 1,861.72

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Solution

The fourth proportional to 2,025.72, 3,036.36 and 1,861.72 is: 2,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.72 : 3,036.36 = 1,861.72 : x
  2. Step 2: Convert to fraction form
    2,025.72/3,036.36 = 1,861.72/x
  3. Step 3: Cross multiply
    2,025.72x = 3,036.36 × 1,861.72
  4. Step 4: Simplify right side
    2,025.72x = 5,652,852.14
  5. Step 5: Solve for x
    x = 5,652,852.14/2,025.72
  6. Step 6: Final answer
    x = 2,790.54

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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.