Home / 3,255.51-4,883.36-1,406.28

Finding the Fourth Proportional to 3,255.51, 4,883.36 and 1,406.28

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Solution

The fourth proportional to 3,255.51, 4,883.36 and 1,406.28 is: 2,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.51 : 4,883.36 = 1,406.28 : x
  2. Step 2: Convert to fraction form
    3,255.51/4,883.36 = 1,406.28/x
  3. Step 3: Cross multiply
    3,255.51x = 4,883.36 × 1,406.28
  4. Step 4: Simplify right side
    3,255.51x = 6,867,367.18
  5. Step 5: Solve for x
    x = 6,867,367.18/3,255.51
  6. Step 6: Final answer
    x = 2,109.46

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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.