Home / 1,579.73-2,183.40-1,186.07

Finding the Fourth Proportional to 1,579.73, 2,183.40 and 1,186.07

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Solution

The fourth proportional to 1,579.73, 2,183.40 and 1,186.07 is: 1,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.73 : 2,183.40 = 1,186.07 : x
  2. Step 2: Convert to fraction form
    1,579.73/2,183.40 = 1,186.07/x
  3. Step 3: Cross multiply
    1,579.73x = 2,183.40 × 1,186.07
  4. Step 4: Simplify right side
    1,579.73x = 2,589,654.32
  5. Step 5: Solve for x
    x = 2,589,654.32/1,579.73
  6. Step 6: Final answer
    x = 1,639.31

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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.