Home / 3,579.36-4,934.64-2,318.16

Finding the Fourth Proportional to 3,579.36, 4,934.64 and 2,318.16

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Solution

The fourth proportional to 3,579.36, 4,934.64 and 2,318.16 is: 3,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.36 : 4,934.64 = 2,318.16 : x
  2. Step 2: Convert to fraction form
    3,579.36/4,934.64 = 2,318.16/x
  3. Step 3: Cross multiply
    3,579.36x = 4,934.64 × 2,318.16
  4. Step 4: Simplify right side
    3,579.36x = 11,439,285.06
  5. Step 5: Solve for x
    x = 11,439,285.06/3,579.36
  6. Step 6: Final answer
    x = 3,195.90

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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.