Home / 1,884.11-2,820.22-1,685.99

Finding the Fourth Proportional to 1,884.11, 2,820.22 and 1,685.99

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Solution

The fourth proportional to 1,884.11, 2,820.22 and 1,685.99 is: 2,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.11 : 2,820.22 = 1,685.99 : x
  2. Step 2: Convert to fraction form
    1,884.11/2,820.22 = 1,685.99/x
  3. Step 3: Cross multiply
    1,884.11x = 2,820.22 × 1,685.99
  4. Step 4: Simplify right side
    1,884.11x = 4,754,865.55
  5. Step 5: Solve for x
    x = 4,754,865.55/1,884.11
  6. Step 6: Final answer
    x = 2,523.67

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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.