Home / 2,699.96-4,051.55-1,867.68

Finding the Fourth Proportional to 2,699.96, 4,051.55 and 1,867.68

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Solution

The fourth proportional to 2,699.96, 4,051.55 and 1,867.68 is: 2,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.96 : 4,051.55 = 1,867.68 : x
  2. Step 2: Convert to fraction form
    2,699.96/4,051.55 = 1,867.68/x
  3. Step 3: Cross multiply
    2,699.96x = 4,051.55 × 1,867.68
  4. Step 4: Simplify right side
    2,699.96x = 7,567,003.57
  5. Step 5: Solve for x
    x = 7,567,003.57/2,699.96
  6. Step 6: Final answer
    x = 2,802.64

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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.