Home / 2,650.33-3,975.44-1,420.14

Finding the Fourth Proportional to 2,650.33, 3,975.44 and 1,420.14

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Solution

The fourth proportional to 2,650.33, 3,975.44 and 1,420.14 is: 2,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.33 : 3,975.44 = 1,420.14 : x
  2. Step 2: Convert to fraction form
    2,650.33/3,975.44 = 1,420.14/x
  3. Step 3: Cross multiply
    2,650.33x = 3,975.44 × 1,420.14
  4. Step 4: Simplify right side
    2,650.33x = 5,645,681.36
  5. Step 5: Solve for x
    x = 5,645,681.36/2,650.33
  6. Step 6: Final answer
    x = 2,130.18

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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.