Home / 2,078.32-2,867.04-1,415.56

Finding the Fourth Proportional to 2,078.32, 2,867.04 and 1,415.56

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Solution

The fourth proportional to 2,078.32, 2,867.04 and 1,415.56 is: 1,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.32 : 2,867.04 = 1,415.56 : x
  2. Step 2: Convert to fraction form
    2,078.32/2,867.04 = 1,415.56/x
  3. Step 3: Cross multiply
    2,078.32x = 2,867.04 × 1,415.56
  4. Step 4: Simplify right side
    2,078.32x = 4,058,467.14
  5. Step 5: Solve for x
    x = 4,058,467.14/2,078.32
  6. Step 6: Final answer
    x = 1,952.76

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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.