Home / 2,824.50-3,895.29-1,828.80

Finding the Fourth Proportional to 2,824.50, 3,895.29 and 1,828.80

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Solution

The fourth proportional to 2,824.50, 3,895.29 and 1,828.80 is: 2,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.50 : 3,895.29 = 1,828.80 : x
  2. Step 2: Convert to fraction form
    2,824.50/3,895.29 = 1,828.80/x
  3. Step 3: Cross multiply
    2,824.50x = 3,895.29 × 1,828.80
  4. Step 4: Simplify right side
    2,824.50x = 7,123,706.35
  5. Step 5: Solve for x
    x = 7,123,706.35/2,824.50
  6. Step 6: Final answer
    x = 2,522.11

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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.