Home / 3,816.10-5,268.41-2,622.87

Finding the Fourth Proportional to 3,816.10, 5,268.41 and 2,622.87

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Solution

The fourth proportional to 3,816.10, 5,268.41 and 2,622.87 is: 3,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.10 : 5,268.41 = 2,622.87 : x
  2. Step 2: Convert to fraction form
    3,816.10/5,268.41 = 2,622.87/x
  3. Step 3: Cross multiply
    3,816.10x = 5,268.41 × 2,622.87
  4. Step 4: Simplify right side
    3,816.10x = 13,818,354.54
  5. Step 5: Solve for x
    x = 13,818,354.54/3,816.10
  6. Step 6: Final answer
    x = 3,621.07

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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.