Home / 2,699.53-4,043.93-2,145.19

Finding the Fourth Proportional to 2,699.53, 4,043.93 and 2,145.19

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Solution

The fourth proportional to 2,699.53, 4,043.93 and 2,145.19 is: 3,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.53 : 4,043.93 = 2,145.19 : x
  2. Step 2: Convert to fraction form
    2,699.53/4,043.93 = 2,145.19/x
  3. Step 3: Cross multiply
    2,699.53x = 4,043.93 × 2,145.19
  4. Step 4: Simplify right side
    2,699.53x = 8,674,990.98
  5. Step 5: Solve for x
    x = 8,674,990.98/2,699.53
  6. Step 6: Final answer
    x = 3,213.52

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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.