Home / 2,027.67-2,798.01-1,188.41

Finding the Fourth Proportional to 2,027.67, 2,798.01 and 1,188.41

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Solution

The fourth proportional to 2,027.67, 2,798.01 and 1,188.41 is: 1,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.67 : 2,798.01 = 1,188.41 : x
  2. Step 2: Convert to fraction form
    2,027.67/2,798.01 = 1,188.41/x
  3. Step 3: Cross multiply
    2,027.67x = 2,798.01 × 1,188.41
  4. Step 4: Simplify right side
    2,027.67x = 3,325,169.07
  5. Step 5: Solve for x
    x = 3,325,169.07/2,027.67
  6. Step 6: Final answer
    x = 1,639.90

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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.