Home / 1,628.63-2,246.97-1,039.35

Finding the Fourth Proportional to 1,628.63, 2,246.97 and 1,039.35

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Solution

The fourth proportional to 1,628.63, 2,246.97 and 1,039.35 is: 1,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.63 : 2,246.97 = 1,039.35 : x
  2. Step 2: Convert to fraction form
    1,628.63/2,246.97 = 1,039.35/x
  3. Step 3: Cross multiply
    1,628.63x = 2,246.97 × 1,039.35
  4. Step 4: Simplify right side
    1,628.63x = 2,335,388.27
  5. Step 5: Solve for x
    x = 2,335,388.27/1,628.63
  6. Step 6: Final answer
    x = 1,433.96

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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.