Home / 4,189.22-6,285.88-1,690.30

Finding the Fourth Proportional to 4,189.22, 6,285.88 and 1,690.30

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Solution

The fourth proportional to 4,189.22, 6,285.88 and 1,690.30 is: 2,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.22 : 6,285.88 = 1,690.30 : x
  2. Step 2: Convert to fraction form
    4,189.22/6,285.88 = 1,690.30/x
  3. Step 3: Cross multiply
    4,189.22x = 6,285.88 × 1,690.30
  4. Step 4: Simplify right side
    4,189.22x = 10,625,022.96
  5. Step 5: Solve for x
    x = 10,625,022.96/4,189.22
  6. Step 6: Final answer
    x = 2,536.28

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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.