Home / 2,901.69-4,004.24-1,909.44

Finding the Fourth Proportional to 2,901.69, 4,004.24 and 1,909.44

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Solution

The fourth proportional to 2,901.69, 4,004.24 and 1,909.44 is: 2,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.69 : 4,004.24 = 1,909.44 : x
  2. Step 2: Convert to fraction form
    2,901.69/4,004.24 = 1,909.44/x
  3. Step 3: Cross multiply
    2,901.69x = 4,004.24 × 1,909.44
  4. Step 4: Simplify right side
    2,901.69x = 7,645,846.48
  5. Step 5: Solve for x
    x = 7,645,846.48/2,901.69
  6. Step 6: Final answer
    x = 2,634.96

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1.5x scale

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.