Home / 2,955.50-4,078.18-1,629

Finding the Fourth Proportional to 2,955.50, 4,078.18 and 1,629

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Solution

The fourth proportional to 2,955.50, 4,078.18 and 1,629 is: 2,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.50 : 4,078.18 = 1,629 : x
  2. Step 2: Convert to fraction form
    2,955.50/4,078.18 = 1,629/x
  3. Step 3: Cross multiply
    2,955.50x = 4,078.18 × 1,629
  4. Step 4: Simplify right side
    2,955.50x = 6,643,355.22
  5. Step 5: Solve for x
    x = 6,643,355.22/2,955.50
  6. Step 6: Final answer
    x = 2,247.79

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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.