Home / 2,911.32-4,015.56-1,848

Finding the Fourth Proportional to 2,911.32, 4,015.56 and 1,848

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Solution

The fourth proportional to 2,911.32, 4,015.56 and 1,848 is: 2,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.32 : 4,015.56 = 1,848 : x
  2. Step 2: Convert to fraction form
    2,911.32/4,015.56 = 1,848/x
  3. Step 3: Cross multiply
    2,911.32x = 4,015.56 × 1,848
  4. Step 4: Simplify right side
    2,911.32x = 7,420,754.88
  5. Step 5: Solve for x
    x = 7,420,754.88/2,911.32
  6. Step 6: Final answer
    x = 2,548.93

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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.