Home / 2,629.03-3,629.75-1,635.66

Finding the Fourth Proportional to 2,629.03, 3,629.75 and 1,635.66

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Solution

The fourth proportional to 2,629.03, 3,629.75 and 1,635.66 is: 2,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.03 : 3,629.75 = 1,635.66 : x
  2. Step 2: Convert to fraction form
    2,629.03/3,629.75 = 1,635.66/x
  3. Step 3: Cross multiply
    2,629.03x = 3,629.75 × 1,635.66
  4. Step 4: Simplify right side
    2,629.03x = 5,937,036.89
  5. Step 5: Solve for x
    x = 5,937,036.89/2,629.03
  6. Step 6: Final answer
    x = 2,258.26

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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.