Home / 2,399.79-3,305.08-2,068.09

Finding the Fourth Proportional to 2,399.79, 3,305.08 and 2,068.09

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Solution

The fourth proportional to 2,399.79, 3,305.08 and 2,068.09 is: 2,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.79 : 3,305.08 = 2,068.09 : x
  2. Step 2: Convert to fraction form
    2,399.79/3,305.08 = 2,068.09/x
  3. Step 3: Cross multiply
    2,399.79x = 3,305.08 × 2,068.09
  4. Step 4: Simplify right side
    2,399.79x = 6,835,202.90
  5. Step 5: Solve for x
    x = 6,835,202.90/2,399.79
  6. Step 6: Final answer
    x = 2,848.26

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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.