Home / 2,909.37-4,010.26-1,964.86

Finding the Fourth Proportional to 2,909.37, 4,010.26 and 1,964.86

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Solution

The fourth proportional to 2,909.37, 4,010.26 and 1,964.86 is: 2,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.37 : 4,010.26 = 1,964.86 : x
  2. Step 2: Convert to fraction form
    2,909.37/4,010.26 = 1,964.86/x
  3. Step 3: Cross multiply
    2,909.37x = 4,010.26 × 1,964.86
  4. Step 4: Simplify right side
    2,909.37x = 7,879,613.59
  5. Step 5: Solve for x
    x = 7,879,613.59/2,909.37
  6. Step 6: Final answer
    x = 2,708.35

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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.