Home / 3,435.50-4,736.57-2,805.36

Finding the Fourth Proportional to 3,435.50, 4,736.57 and 2,805.36

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Solution

The fourth proportional to 3,435.50, 4,736.57 and 2,805.36 is: 3,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.50 : 4,736.57 = 2,805.36 : x
  2. Step 2: Convert to fraction form
    3,435.50/4,736.57 = 2,805.36/x
  3. Step 3: Cross multiply
    3,435.50x = 4,736.57 × 2,805.36
  4. Step 4: Simplify right side
    3,435.50x = 13,287,769.99
  5. Step 5: Solve for x
    x = 13,287,769.99/3,435.50
  6. Step 6: Final answer
    x = 3,867.79

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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.