Home / 2,958.31-4,434.63-1,984.69

Finding the Fourth Proportional to 2,958.31, 4,434.63 and 1,984.69

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Solution

The fourth proportional to 2,958.31, 4,434.63 and 1,984.69 is: 2,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.31 : 4,434.63 = 1,984.69 : x
  2. Step 2: Convert to fraction form
    2,958.31/4,434.63 = 1,984.69/x
  3. Step 3: Cross multiply
    2,958.31x = 4,434.63 × 1,984.69
  4. Step 4: Simplify right side
    2,958.31x = 8,801,365.81
  5. Step 5: Solve for x
    x = 8,801,365.81/2,958.31
  6. Step 6: Final answer
    x = 2,975.13

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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.