Home / 2,357.73-3,253.32-1,309.79

Finding the Fourth Proportional to 2,357.73, 3,253.32 and 1,309.79

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Solution

The fourth proportional to 2,357.73, 3,253.32 and 1,309.79 is: 1,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.73 : 3,253.32 = 1,309.79 : x
  2. Step 2: Convert to fraction form
    2,357.73/3,253.32 = 1,309.79/x
  3. Step 3: Cross multiply
    2,357.73x = 3,253.32 × 1,309.79
  4. Step 4: Simplify right side
    2,357.73x = 4,261,174.14
  5. Step 5: Solve for x
    x = 4,261,174.14/2,357.73
  6. Step 6: Final answer
    x = 1,807.32

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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.