Home / 3,056.55-4,218.30-1,730.49

Finding the Fourth Proportional to 3,056.55, 4,218.30 and 1,730.49

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Solution

The fourth proportional to 3,056.55, 4,218.30 and 1,730.49 is: 2,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.55 : 4,218.30 = 1,730.49 : x
  2. Step 2: Convert to fraction form
    3,056.55/4,218.30 = 1,730.49/x
  3. Step 3: Cross multiply
    3,056.55x = 4,218.30 × 1,730.49
  4. Step 4: Simplify right side
    3,056.55x = 7,299,725.97
  5. Step 5: Solve for x
    x = 7,299,725.97/3,056.55
  6. Step 6: Final answer
    x = 2,388.22

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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.