Home / 3,015.96-4,159.80-1,896

Finding the Fourth Proportional to 3,015.96, 4,159.80 and 1,896

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Solution

The fourth proportional to 3,015.96, 4,159.80 and 1,896 is: 2,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.96 : 4,159.80 = 1,896 : x
  2. Step 2: Convert to fraction form
    3,015.96/4,159.80 = 1,896/x
  3. Step 3: Cross multiply
    3,015.96x = 4,159.80 × 1,896
  4. Step 4: Simplify right side
    3,015.96x = 7,886,980.80
  5. Step 5: Solve for x
    x = 7,886,980.80/3,015.96
  6. Step 6: Final answer
    x = 2,615.08

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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.