Home / 3,420.83-4,719.82-2,094.05

Finding the Fourth Proportional to 3,420.83, 4,719.82 and 2,094.05

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Solution

The fourth proportional to 3,420.83, 4,719.82 and 2,094.05 is: 2,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.83 : 4,719.82 = 2,094.05 : x
  2. Step 2: Convert to fraction form
    3,420.83/4,719.82 = 2,094.05/x
  3. Step 3: Cross multiply
    3,420.83x = 4,719.82 × 2,094.05
  4. Step 4: Simplify right side
    3,420.83x = 9,883,549.56
  5. Step 5: Solve for x
    x = 9,883,549.56/3,420.83
  6. Step 6: Final answer
    x = 2,889.22

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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.