Home / 3,350.21-4,621.79-2,091.47

Finding the Fourth Proportional to 3,350.21, 4,621.79 and 2,091.47

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Solution

The fourth proportional to 3,350.21, 4,621.79 and 2,091.47 is: 2,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.21 : 4,621.79 = 2,091.47 : x
  2. Step 2: Convert to fraction form
    3,350.21/4,621.79 = 2,091.47/x
  3. Step 3: Cross multiply
    3,350.21x = 4,621.79 × 2,091.47
  4. Step 4: Simplify right side
    3,350.21x = 9,666,317.25
  5. Step 5: Solve for x
    x = 9,666,317.25/3,350.21
  6. Step 6: Final answer
    x = 2,885.29

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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.