Home / 2,455.73-3,388.32-1,559.15

Finding the Fourth Proportional to 2,455.73, 3,388.32 and 1,559.15

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Solution

The fourth proportional to 2,455.73, 3,388.32 and 1,559.15 is: 2,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.73 : 3,388.32 = 1,559.15 : x
  2. Step 2: Convert to fraction form
    2,455.73/3,388.32 = 1,559.15/x
  3. Step 3: Cross multiply
    2,455.73x = 3,388.32 × 1,559.15
  4. Step 4: Simplify right side
    2,455.73x = 5,282,899.13
  5. Step 5: Solve for x
    x = 5,282,899.13/2,455.73
  6. Step 6: Final answer
    x = 2,151.25

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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.