Home / 2,886.13-3,982.86-1,559.83

Finding the Fourth Proportional to 2,886.13, 3,982.86 and 1,559.83

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Solution

The fourth proportional to 2,886.13, 3,982.86 and 1,559.83 is: 2,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.13 : 3,982.86 = 1,559.83 : x
  2. Step 2: Convert to fraction form
    2,886.13/3,982.86 = 1,559.83/x
  3. Step 3: Cross multiply
    2,886.13x = 3,982.86 × 1,559.83
  4. Step 4: Simplify right side
    2,886.13x = 6,212,584.51
  5. Step 5: Solve for x
    x = 6,212,584.51/2,886.13
  6. Step 6: Final answer
    x = 2,152.57

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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.