Home / 2,984.30-4,118.25-1,725.26

Finding the Fourth Proportional to 2,984.30, 4,118.25 and 1,725.26

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Solution

The fourth proportional to 2,984.30, 4,118.25 and 1,725.26 is: 2,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.30 : 4,118.25 = 1,725.26 : x
  2. Step 2: Convert to fraction form
    2,984.30/4,118.25 = 1,725.26/x
  3. Step 3: Cross multiply
    2,984.30x = 4,118.25 × 1,725.26
  4. Step 4: Simplify right side
    2,984.30x = 7,105,037.87
  5. Step 5: Solve for x
    x = 7,105,037.87/2,984.30
  6. Step 6: Final answer
    x = 2,380.81

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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.