Home / 3,056.36-4,217.15-1,730.39

Finding the Fourth Proportional to 3,056.36, 4,217.15 and 1,730.39

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Solution

The fourth proportional to 3,056.36, 4,217.15 and 1,730.39 is: 2,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.36 : 4,217.15 = 1,730.39 : x
  2. Step 2: Convert to fraction form
    3,056.36/4,217.15 = 1,730.39/x
  3. Step 3: Cross multiply
    3,056.36x = 4,217.15 × 1,730.39
  4. Step 4: Simplify right side
    3,056.36x = 7,297,305.54
  5. Step 5: Solve for x
    x = 7,297,305.54/3,056.36
  6. Step 6: Final answer
    x = 2,387.58

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1.5x scale

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.