Home / 2,663.96-3,676.26-1,485.02

Finding the Fourth Proportional to 2,663.96, 3,676.26 and 1,485.02

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Solution

The fourth proportional to 2,663.96, 3,676.26 and 1,485.02 is: 2,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.96 : 3,676.26 = 1,485.02 : x
  2. Step 2: Convert to fraction form
    2,663.96/3,676.26 = 1,485.02/x
  3. Step 3: Cross multiply
    2,663.96x = 3,676.26 × 1,485.02
  4. Step 4: Simplify right side
    2,663.96x = 5,459,319.63
  5. Step 5: Solve for x
    x = 5,459,319.63/2,663.96
  6. Step 6: Final answer
    x = 2,049.32

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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.