Home / 2,681.36-4,021.76-950.08

Finding the Fourth Proportional to 2,681.36, 4,021.76 and 950.08

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Solution

The fourth proportional to 2,681.36, 4,021.76 and 950.08 is: 1,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.36 : 4,021.76 = 950.08 : x
  2. Step 2: Convert to fraction form
    2,681.36/4,021.76 = 950.08/x
  3. Step 3: Cross multiply
    2,681.36x = 4,021.76 × 950.08
  4. Step 4: Simplify right side
    2,681.36x = 3,820,993.74
  5. Step 5: Solve for x
    x = 3,820,993.74/2,681.36
  6. Step 6: Final answer
    x = 1,425.02

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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.