Home / 1,952.68-2,693.94-1,289.92

Finding the Fourth Proportional to 1,952.68, 2,693.94 and 1,289.92

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Solution

The fourth proportional to 1,952.68, 2,693.94 and 1,289.92 is: 1,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.68 : 2,693.94 = 1,289.92 : x
  2. Step 2: Convert to fraction form
    1,952.68/2,693.94 = 1,289.92/x
  3. Step 3: Cross multiply
    1,952.68x = 2,693.94 × 1,289.92
  4. Step 4: Simplify right side
    1,952.68x = 3,474,967.08
  5. Step 5: Solve for x
    x = 3,474,967.08/1,952.68
  6. Step 6: Final answer
    x = 1,779.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.