Home / 2,973.14-4,099.21-1,909.03

Finding the Fourth Proportional to 2,973.14, 4,099.21 and 1,909.03

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Solution

The fourth proportional to 2,973.14, 4,099.21 and 1,909.03 is: 2,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.14 : 4,099.21 = 1,909.03 : x
  2. Step 2: Convert to fraction form
    2,973.14/4,099.21 = 1,909.03/x
  3. Step 3: Cross multiply
    2,973.14x = 4,099.21 × 1,909.03
  4. Step 4: Simplify right side
    2,973.14x = 7,825,514.87
  5. Step 5: Solve for x
    x = 7,825,514.87/2,973.14
  6. Step 6: Final answer
    x = 2,632.07

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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.