Home / 3,620.18-5,426.48-1,768.75

Finding the Fourth Proportional to 3,620.18, 5,426.48 and 1,768.75

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Solution

The fourth proportional to 3,620.18, 5,426.48 and 1,768.75 is: 2,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.18 : 5,426.48 = 1,768.75 : x
  2. Step 2: Convert to fraction form
    3,620.18/5,426.48 = 1,768.75/x
  3. Step 3: Cross multiply
    3,620.18x = 5,426.48 × 1,768.75
  4. Step 4: Simplify right side
    3,620.18x = 9,598,077.36
  5. Step 5: Solve for x
    x = 9,598,077.36/3,620.18
  6. Step 6: Final answer
    x = 2,651.27

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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.