Home / 2,669.45-4,003.97-1,025.55

Finding the Fourth Proportional to 2,669.45, 4,003.97 and 1,025.55

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Solution

The fourth proportional to 2,669.45, 4,003.97 and 1,025.55 is: 1,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.45 : 4,003.97 = 1,025.55 : x
  2. Step 2: Convert to fraction form
    2,669.45/4,003.97 = 1,025.55/x
  3. Step 3: Cross multiply
    2,669.45x = 4,003.97 × 1,025.55
  4. Step 4: Simplify right side
    2,669.45x = 4,106,266.31
  5. Step 5: Solve for x
    x = 4,106,266.31/2,669.45
  6. Step 6: Final answer
    x = 1,538.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.