Home / 1,884.26-2,820.63-1,396.10

Finding the Fourth Proportional to 1,884.26, 2,820.63 and 1,396.10

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Solution

The fourth proportional to 1,884.26, 2,820.63 and 1,396.10 is: 2,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.26 : 2,820.63 = 1,396.10 : x
  2. Step 2: Convert to fraction form
    1,884.26/2,820.63 = 1,396.10/x
  3. Step 3: Cross multiply
    1,884.26x = 2,820.63 × 1,396.10
  4. Step 4: Simplify right side
    1,884.26x = 3,937,881.54
  5. Step 5: Solve for x
    x = 3,937,881.54/1,884.26
  6. Step 6: Final answer
    x = 2,089.88

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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.