Home / 1,629.45-2,250.38-1,455.64

Finding the Fourth Proportional to 1,629.45, 2,250.38 and 1,455.64

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Solution

The fourth proportional to 1,629.45, 2,250.38 and 1,455.64 is: 2,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.45 : 2,250.38 = 1,455.64 : x
  2. Step 2: Convert to fraction form
    1,629.45/2,250.38 = 1,455.64/x
  3. Step 3: Cross multiply
    1,629.45x = 2,250.38 × 1,455.64
  4. Step 4: Simplify right side
    1,629.45x = 3,275,741.16
  5. Step 5: Solve for x
    x = 3,275,741.16/1,629.45
  6. Step 6: Final answer
    x = 2,010.34

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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.