Home / 2,886.12-3,983.36-1,707.77

Finding the Fourth Proportional to 2,886.12, 3,983.36 and 1,707.77

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Solution

The fourth proportional to 2,886.12, 3,983.36 and 1,707.77 is: 2,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.12 : 3,983.36 = 1,707.77 : x
  2. Step 2: Convert to fraction form
    2,886.12/3,983.36 = 1,707.77/x
  3. Step 3: Cross multiply
    2,886.12x = 3,983.36 × 1,707.77
  4. Step 4: Simplify right side
    2,886.12x = 6,802,634.25
  5. Step 5: Solve for x
    x = 6,802,634.25/2,886.12
  6. Step 6: Final answer
    x = 2,357.02

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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.