Home / 1,694.02-2,338.05-1,229.62

Finding the Fourth Proportional to 1,694.02, 2,338.05 and 1,229.62

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Solution

The fourth proportional to 1,694.02, 2,338.05 and 1,229.62 is: 1,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.02 : 2,338.05 = 1,229.62 : x
  2. Step 2: Convert to fraction form
    1,694.02/2,338.05 = 1,229.62/x
  3. Step 3: Cross multiply
    1,694.02x = 2,338.05 × 1,229.62
  4. Step 4: Simplify right side
    1,694.02x = 2,874,913.04
  5. Step 5: Solve for x
    x = 2,874,913.04/1,694.02
  6. Step 6: Final answer
    x = 1,697.10

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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.