Home / 1,636.03-2,258.38-1,006.81

Finding the Fourth Proportional to 1,636.03, 2,258.38 and 1,006.81

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Solution

The fourth proportional to 1,636.03, 2,258.38 and 1,006.81 is: 1,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.03 : 2,258.38 = 1,006.81 : x
  2. Step 2: Convert to fraction form
    1,636.03/2,258.38 = 1,006.81/x
  3. Step 3: Cross multiply
    1,636.03x = 2,258.38 × 1,006.81
  4. Step 4: Simplify right side
    1,636.03x = 2,273,759.57
  5. Step 5: Solve for x
    x = 2,273,759.57/1,636.03
  6. Step 6: Final answer
    x = 1,389.80

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1.5x scale

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.