Home / 2,344.68-3,515.27-1,420.02

Finding the Fourth Proportional to 2,344.68, 3,515.27 and 1,420.02

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Solution

The fourth proportional to 2,344.68, 3,515.27 and 1,420.02 is: 2,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.68 : 3,515.27 = 1,420.02 : x
  2. Step 2: Convert to fraction form
    2,344.68/3,515.27 = 1,420.02/x
  3. Step 3: Cross multiply
    2,344.68x = 3,515.27 × 1,420.02
  4. Step 4: Simplify right side
    2,344.68x = 4,991,736.13
  5. Step 5: Solve for x
    x = 4,991,736.13/2,344.68
  6. Step 6: Final answer
    x = 2,128.97

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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.