Home / 2,955.21-4,433.71-1,396.41

Finding the Fourth Proportional to 2,955.21, 4,433.71 and 1,396.41

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Solution

The fourth proportional to 2,955.21, 4,433.71 and 1,396.41 is: 2,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.21 : 4,433.71 = 1,396.41 : x
  2. Step 2: Convert to fraction form
    2,955.21/4,433.71 = 1,396.41/x
  3. Step 3: Cross multiply
    2,955.21x = 4,433.71 × 1,396.41
  4. Step 4: Simplify right side
    2,955.21x = 6,191,276.98
  5. Step 5: Solve for x
    x = 6,191,276.98/2,955.21
  6. Step 6: Final answer
    x = 2,095.04

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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.