Home / 1,698.08-2,544.38-1,047.44

Finding the Fourth Proportional to 1,698.08, 2,544.38 and 1,047.44

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Solution

The fourth proportional to 1,698.08, 2,544.38 and 1,047.44 is: 1,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.08 : 2,544.38 = 1,047.44 : x
  2. Step 2: Convert to fraction form
    1,698.08/2,544.38 = 1,047.44/x
  3. Step 3: Cross multiply
    1,698.08x = 2,544.38 × 1,047.44
  4. Step 4: Simplify right side
    1,698.08x = 2,665,090.44
  5. Step 5: Solve for x
    x = 2,665,090.44/1,698.08
  6. Step 6: Final answer
    x = 1,569.48

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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.