Home / 3,003.96-4,147.02-2,070.84

Finding the Fourth Proportional to 3,003.96, 4,147.02 and 2,070.84

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Solution

The fourth proportional to 3,003.96, 4,147.02 and 2,070.84 is: 2,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.96 : 4,147.02 = 2,070.84 : x
  2. Step 2: Convert to fraction form
    3,003.96/4,147.02 = 2,070.84/x
  3. Step 3: Cross multiply
    3,003.96x = 4,147.02 × 2,070.84
  4. Step 4: Simplify right side
    3,003.96x = 8,587,814.90
  5. Step 5: Solve for x
    x = 8,587,814.90/3,003.96
  6. Step 6: Final answer
    x = 2,858.83

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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.