Home / 1,682.21-2,322.59-1,052.99

Finding the Fourth Proportional to 1,682.21, 2,322.59 and 1,052.99

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Solution

The fourth proportional to 1,682.21, 2,322.59 and 1,052.99 is: 1,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.21 : 2,322.59 = 1,052.99 : x
  2. Step 2: Convert to fraction form
    1,682.21/2,322.59 = 1,052.99/x
  3. Step 3: Cross multiply
    1,682.21x = 2,322.59 × 1,052.99
  4. Step 4: Simplify right side
    1,682.21x = 2,445,664.04
  5. Step 5: Solve for x
    x = 2,445,664.04/1,682.21
  6. Step 6: Final answer
    x = 1,453.84

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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.