Home / 2,539.65-3,505.31-1,653.92

Finding the Fourth Proportional to 2,539.65, 3,505.31 and 1,653.92

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Solution

The fourth proportional to 2,539.65, 3,505.31 and 1,653.92 is: 2,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.65 : 3,505.31 = 1,653.92 : x
  2. Step 2: Convert to fraction form
    2,539.65/3,505.31 = 1,653.92/x
  3. Step 3: Cross multiply
    2,539.65x = 3,505.31 × 1,653.92
  4. Step 4: Simplify right side
    2,539.65x = 5,797,476.52
  5. Step 5: Solve for x
    x = 5,797,476.52/2,539.65
  6. Step 6: Final answer
    x = 2,282.79

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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.