Home / 2,845.98-4,266.70-1,909.92

Finding the Fourth Proportional to 2,845.98, 4,266.70 and 1,909.92

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Solution

The fourth proportional to 2,845.98, 4,266.70 and 1,909.92 is: 2,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.98 : 4,266.70 = 1,909.92 : x
  2. Step 2: Convert to fraction form
    2,845.98/4,266.70 = 1,909.92/x
  3. Step 3: Cross multiply
    2,845.98x = 4,266.70 × 1,909.92
  4. Step 4: Simplify right side
    2,845.98x = 8,149,055.66
  5. Step 5: Solve for x
    x = 8,149,055.66/2,845.98
  6. Step 6: Final answer
    x = 2,863.36

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1.5x scale

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.