Home / 4,207.44-6,311.80-1,899.60

Finding the Fourth Proportional to 4,207.44, 6,311.80 and 1,899.60

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Solution

The fourth proportional to 4,207.44, 6,311.80 and 1,899.60 is: 2,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.44 : 6,311.80 = 1,899.60 : x
  2. Step 2: Convert to fraction form
    4,207.44/6,311.80 = 1,899.60/x
  3. Step 3: Cross multiply
    4,207.44x = 6,311.80 × 1,899.60
  4. Step 4: Simplify right side
    4,207.44x = 11,989,895.28
  5. Step 5: Solve for x
    x = 11,989,895.28/4,207.44
  6. Step 6: Final answer
    x = 2,849.69

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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.