Home / 2,908.37-4,012.05-1,962.95

Finding the Fourth Proportional to 2,908.37, 4,012.05 and 1,962.95

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Solution

The fourth proportional to 2,908.37, 4,012.05 and 1,962.95 is: 2,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.37 : 4,012.05 = 1,962.95 : x
  2. Step 2: Convert to fraction form
    2,908.37/4,012.05 = 1,962.95/x
  3. Step 3: Cross multiply
    2,908.37x = 4,012.05 × 1,962.95
  4. Step 4: Simplify right side
    2,908.37x = 7,875,453.55
  5. Step 5: Solve for x
    x = 7,875,453.55/2,908.37
  6. Step 6: Final answer
    x = 2,707.86

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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.