Home / 3,087.81-4,263.17-2,755.67

Finding the Fourth Proportional to 3,087.81, 4,263.17 and 2,755.67

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Solution

The fourth proportional to 3,087.81, 4,263.17 and 2,755.67 is: 3,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.81 : 4,263.17 = 2,755.67 : x
  2. Step 2: Convert to fraction form
    3,087.81/4,263.17 = 2,755.67/x
  3. Step 3: Cross multiply
    3,087.81x = 4,263.17 × 2,755.67
  4. Step 4: Simplify right side
    3,087.81x = 11,747,854.58
  5. Step 5: Solve for x
    x = 11,747,854.58/3,087.81
  6. Step 6: Final answer
    x = 3,804.59

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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.