Home / 2,490.84-3,735.59-1,029.65

Finding the Fourth Proportional to 2,490.84, 3,735.59 and 1,029.65

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Solution

The fourth proportional to 2,490.84, 3,735.59 and 1,029.65 is: 1,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.84 : 3,735.59 = 1,029.65 : x
  2. Step 2: Convert to fraction form
    2,490.84/3,735.59 = 1,029.65/x
  3. Step 3: Cross multiply
    2,490.84x = 3,735.59 × 1,029.65
  4. Step 4: Simplify right side
    2,490.84x = 3,846,326.42
  5. Step 5: Solve for x
    x = 3,846,326.42/2,490.84
  6. Step 6: Final answer
    x = 1,544.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.