Home / 3,816.55-5,266.20-2,223.46

Finding the Fourth Proportional to 3,816.55, 5,266.20 and 2,223.46

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Solution

The fourth proportional to 3,816.55, 5,266.20 and 2,223.46 is: 3,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.55 : 5,266.20 = 2,223.46 : x
  2. Step 2: Convert to fraction form
    3,816.55/5,266.20 = 2,223.46/x
  3. Step 3: Cross multiply
    3,816.55x = 5,266.20 × 2,223.46
  4. Step 4: Simplify right side
    3,816.55x = 11,709,185.05
  5. Step 5: Solve for x
    x = 11,709,185.05/3,816.55
  6. Step 6: Final answer
    x = 3,068.00

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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.