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Finding the Fourth Proportional to 1,582.09, 2,183.36 and 952.81

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Solution

The fourth proportional to 1,582.09, 2,183.36 and 952.81 is: 1,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.09 : 2,183.36 = 952.81 : x
  2. Step 2: Convert to fraction form
    1,582.09/2,183.36 = 952.81/x
  3. Step 3: Cross multiply
    1,582.09x = 2,183.36 × 952.81
  4. Step 4: Simplify right side
    1,582.09x = 2,080,311.56
  5. Step 5: Solve for x
    x = 2,080,311.56/1,582.09
  6. Step 6: Final answer
    x = 1,314.92

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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.