Home / 1,697.26-2,538.96-1,283.32

Finding the Fourth Proportional to 1,697.26, 2,538.96 and 1,283.32

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Solution

The fourth proportional to 1,697.26, 2,538.96 and 1,283.32 is: 1,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.26 : 2,538.96 = 1,283.32 : x
  2. Step 2: Convert to fraction form
    1,697.26/2,538.96 = 1,283.32/x
  3. Step 3: Cross multiply
    1,697.26x = 2,538.96 × 1,283.32
  4. Step 4: Simplify right side
    1,697.26x = 3,258,298.15
  5. Step 5: Solve for x
    x = 3,258,298.15/1,697.26
  6. Step 6: Final answer
    x = 1,919.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.