Home / 2,990.41-4,127.19-1,795.45

Finding the Fourth Proportional to 2,990.41, 4,127.19 and 1,795.45

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Solution

The fourth proportional to 2,990.41, 4,127.19 and 1,795.45 is: 2,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.41 : 4,127.19 = 1,795.45 : x
  2. Step 2: Convert to fraction form
    2,990.41/4,127.19 = 1,795.45/x
  3. Step 3: Cross multiply
    2,990.41x = 4,127.19 × 1,795.45
  4. Step 4: Simplify right side
    2,990.41x = 7,410,163.29
  5. Step 5: Solve for x
    x = 7,410,163.29/2,990.41
  6. Step 6: Final answer
    x = 2,477.98

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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.