Home / 2,989.41-4,125.81-1,794.45

Finding the Fourth Proportional to 2,989.41, 4,125.81 and 1,794.45

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Solution

The fourth proportional to 2,989.41, 4,125.81 and 1,794.45 is: 2,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.41 : 4,125.81 = 1,794.45 : x
  2. Step 2: Convert to fraction form
    2,989.41/4,125.81 = 1,794.45/x
  3. Step 3: Cross multiply
    2,989.41x = 4,125.81 × 1,794.45
  4. Step 4: Simplify right side
    2,989.41x = 7,403,559.75
  5. Step 5: Solve for x
    x = 7,403,559.75/2,989.41
  6. Step 6: Final answer
    x = 2,476.60

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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.