Home / 1,758.09-2,427.06-1,285.44

Finding the Fourth Proportional to 1,758.09, 2,427.06 and 1,285.44

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Solution

The fourth proportional to 1,758.09, 2,427.06 and 1,285.44 is: 1,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.09 : 2,427.06 = 1,285.44 : x
  2. Step 2: Convert to fraction form
    1,758.09/2,427.06 = 1,285.44/x
  3. Step 3: Cross multiply
    1,758.09x = 2,427.06 × 1,285.44
  4. Step 4: Simplify right side
    1,758.09x = 3,119,840.01
  5. Step 5: Solve for x
    x = 3,119,840.01/1,758.09
  6. Step 6: Final answer
    x = 1,774.56

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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.