Home / 2,679.64-4,013.34-2,090.08

Finding the Fourth Proportional to 2,679.64, 4,013.34 and 2,090.08

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Solution

The fourth proportional to 2,679.64, 4,013.34 and 2,090.08 is: 3,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.64 : 4,013.34 = 2,090.08 : x
  2. Step 2: Convert to fraction form
    2,679.64/4,013.34 = 2,090.08/x
  3. Step 3: Cross multiply
    2,679.64x = 4,013.34 × 2,090.08
  4. Step 4: Simplify right side
    2,679.64x = 8,388,201.67
  5. Step 5: Solve for x
    x = 8,388,201.67/2,679.64
  6. Step 6: Final answer
    x = 3,130.35

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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.