Home / 1,694.70-2,535.87-1,399.46

Finding the Fourth Proportional to 1,694.70, 2,535.87 and 1,399.46

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Solution

The fourth proportional to 1,694.70, 2,535.87 and 1,399.46 is: 2,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.70 : 2,535.87 = 1,399.46 : x
  2. Step 2: Convert to fraction form
    1,694.70/2,535.87 = 1,399.46/x
  3. Step 3: Cross multiply
    1,694.70x = 2,535.87 × 1,399.46
  4. Step 4: Simplify right side
    1,694.70x = 3,548,841.20
  5. Step 5: Solve for x
    x = 3,548,841.20/1,694.70
  6. Step 6: Final answer
    x = 2,094.08

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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.