Home / 2,995.83-4,127.49-2,208.51

Finding the Fourth Proportional to 2,995.83, 4,127.49 and 2,208.51

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Solution

The fourth proportional to 2,995.83, 4,127.49 and 2,208.51 is: 3,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.83 : 4,127.49 = 2,208.51 : x
  2. Step 2: Convert to fraction form
    2,995.83/4,127.49 = 2,208.51/x
  3. Step 3: Cross multiply
    2,995.83x = 4,127.49 × 2,208.51
  4. Step 4: Simplify right side
    2,995.83x = 9,115,602.94
  5. Step 5: Solve for x
    x = 9,115,602.94/2,995.83
  6. Step 6: Final answer
    x = 3,042.76

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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.