Home / 2,975.09-4,461.31-1,415.54

Finding the Fourth Proportional to 2,975.09, 4,461.31 and 1,415.54

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Solution

The fourth proportional to 2,975.09, 4,461.31 and 1,415.54 is: 2,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.09 : 4,461.31 = 1,415.54 : x
  2. Step 2: Convert to fraction form
    2,975.09/4,461.31 = 1,415.54/x
  3. Step 3: Cross multiply
    2,975.09x = 4,461.31 × 1,415.54
  4. Step 4: Simplify right side
    2,975.09x = 6,315,162.76
  5. Step 5: Solve for x
    x = 6,315,162.76/2,975.09
  6. Step 6: Final answer
    x = 2,122.68

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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.