Home / 3,453.94-4,769.25-2,815.99

Finding the Fourth Proportional to 3,453.94, 4,769.25 and 2,815.99

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Solution

The fourth proportional to 3,453.94, 4,769.25 and 2,815.99 is: 3,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.94 : 4,769.25 = 2,815.99 : x
  2. Step 2: Convert to fraction form
    3,453.94/4,769.25 = 2,815.99/x
  3. Step 3: Cross multiply
    3,453.94x = 4,769.25 × 2,815.99
  4. Step 4: Simplify right side
    3,453.94x = 13,430,136.46
  5. Step 5: Solve for x
    x = 13,430,136.46/3,453.94
  6. Step 6: Final answer
    x = 3,888.35

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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.