Home / 2,959.89-4,435.05-1,399.68

Finding the Fourth Proportional to 2,959.89, 4,435.05 and 1,399.68

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Solution

The fourth proportional to 2,959.89, 4,435.05 and 1,399.68 is: 2,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.89 : 4,435.05 = 1,399.68 : x
  2. Step 2: Convert to fraction form
    2,959.89/4,435.05 = 1,399.68/x
  3. Step 3: Cross multiply
    2,959.89x = 4,435.05 × 1,399.68
  4. Step 4: Simplify right side
    2,959.89x = 6,207,656.03
  5. Step 5: Solve for x
    x = 6,207,656.03/2,959.89
  6. Step 6: Final answer
    x = 2,097.26

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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.