Home / 3,451.16-4,762.56-1,879.25

Finding the Fourth Proportional to 3,451.16, 4,762.56 and 1,879.25

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Solution

The fourth proportional to 3,451.16, 4,762.56 and 1,879.25 is: 2,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.16 : 4,762.56 = 1,879.25 : x
  2. Step 2: Convert to fraction form
    3,451.16/4,762.56 = 1,879.25/x
  3. Step 3: Cross multiply
    3,451.16x = 4,762.56 × 1,879.25
  4. Step 4: Simplify right side
    3,451.16x = 8,950,040.88
  5. Step 5: Solve for x
    x = 8,950,040.88/3,451.16
  6. Step 6: Final answer
    x = 2,593.34

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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.