Home / 3,120.22-4,283.36-2,677.35

Finding the Fourth Proportional to 3,120.22, 4,283.36 and 2,677.35

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Solution

The fourth proportional to 3,120.22, 4,283.36 and 2,677.35 is: 3,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.22 : 4,283.36 = 2,677.35 : x
  2. Step 2: Convert to fraction form
    3,120.22/4,283.36 = 2,677.35/x
  3. Step 3: Cross multiply
    3,120.22x = 4,283.36 × 2,677.35
  4. Step 4: Simplify right side
    3,120.22x = 11,468,081.67
  5. Step 5: Solve for x
    x = 11,468,081.67/3,120.22
  6. Step 6: Final answer
    x = 3,675.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.