Home / 2,954.49-4,077.14-1,628.16

Finding the Fourth Proportional to 2,954.49, 4,077.14 and 1,628.16

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Solution

The fourth proportional to 2,954.49, 4,077.14 and 1,628.16 is: 2,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.49 : 4,077.14 = 1,628.16 : x
  2. Step 2: Convert to fraction form
    2,954.49/4,077.14 = 1,628.16/x
  3. Step 3: Cross multiply
    2,954.49x = 4,077.14 × 1,628.16
  4. Step 4: Simplify right side
    2,954.49x = 6,638,228.12
  5. Step 5: Solve for x
    x = 6,638,228.12/2,954.49
  6. Step 6: Final answer
    x = 2,246.83

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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.