Home / 2,669.32-4,003.72-1,693.28

Finding the Fourth Proportional to 2,669.32, 4,003.72 and 1,693.28

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Solution

The fourth proportional to 2,669.32, 4,003.72 and 1,693.28 is: 2,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.32 : 4,003.72 = 1,693.28 : x
  2. Step 2: Convert to fraction form
    2,669.32/4,003.72 = 1,693.28/x
  3. Step 3: Cross multiply
    2,669.32x = 4,003.72 × 1,693.28
  4. Step 4: Simplify right side
    2,669.32x = 6,779,419.00
  5. Step 5: Solve for x
    x = 6,779,419.00/2,669.32
  6. Step 6: Final answer
    x = 2,539.76

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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.