Home / 1,933.98-2,900.35-1,112.64

Finding the Fourth Proportional to 1,933.98, 2,900.35 and 1,112.64

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Solution

The fourth proportional to 1,933.98, 2,900.35 and 1,112.64 is: 1,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.98 : 2,900.35 = 1,112.64 : x
  2. Step 2: Convert to fraction form
    1,933.98/2,900.35 = 1,112.64/x
  3. Step 3: Cross multiply
    1,933.98x = 2,900.35 × 1,112.64
  4. Step 4: Simplify right side
    1,933.98x = 3,227,045.42
  5. Step 5: Solve for x
    x = 3,227,045.42/1,933.98
  6. Step 6: Final answer
    x = 1,668.60

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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.