Home / 3,057.54-4,218.71-1,730.96

Finding the Fourth Proportional to 3,057.54, 4,218.71 and 1,730.96

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Solution

The fourth proportional to 3,057.54, 4,218.71 and 1,730.96 is: 2,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.54 : 4,218.71 = 1,730.96 : x
  2. Step 2: Convert to fraction form
    3,057.54/4,218.71 = 1,730.96/x
  3. Step 3: Cross multiply
    3,057.54x = 4,218.71 × 1,730.96
  4. Step 4: Simplify right side
    3,057.54x = 7,302,388.51
  5. Step 5: Solve for x
    x = 7,302,388.51/3,057.54
  6. Step 6: Final answer
    x = 2,388.32

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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.