Home / 2,077.45-2,867.33-1,415.88

Finding the Fourth Proportional to 2,077.45, 2,867.33 and 1,415.88

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Solution

The fourth proportional to 2,077.45, 2,867.33 and 1,415.88 is: 1,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.45 : 2,867.33 = 1,415.88 : x
  2. Step 2: Convert to fraction form
    2,077.45/2,867.33 = 1,415.88/x
  3. Step 3: Cross multiply
    2,077.45x = 2,867.33 × 1,415.88
  4. Step 4: Simplify right side
    2,077.45x = 4,059,798.74
  5. Step 5: Solve for x
    x = 4,059,798.74/2,077.45
  6. Step 6: Final answer
    x = 1,954.22

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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.