Home / 1,699.96-2,345.44-1,028.08

Finding the Fourth Proportional to 1,699.96, 2,345.44 and 1,028.08

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Solution

The fourth proportional to 1,699.96, 2,345.44 and 1,028.08 is: 1,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.96 : 2,345.44 = 1,028.08 : x
  2. Step 2: Convert to fraction form
    1,699.96/2,345.44 = 1,028.08/x
  3. Step 3: Cross multiply
    1,699.96x = 2,345.44 × 1,028.08
  4. Step 4: Simplify right side
    1,699.96x = 2,411,299.96
  5. Step 5: Solve for x
    x = 2,411,299.96/1,699.96
  6. Step 6: Final answer
    x = 1,418.45

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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.