Home / 2,486.88-3,742.24-2,051.36

Finding the Fourth Proportional to 2,486.88, 3,742.24 and 2,051.36

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Solution

The fourth proportional to 2,486.88, 3,742.24 and 2,051.36 is: 3,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.88 : 3,742.24 = 2,051.36 : x
  2. Step 2: Convert to fraction form
    2,486.88/3,742.24 = 2,051.36/x
  3. Step 3: Cross multiply
    2,486.88x = 3,742.24 × 2,051.36
  4. Step 4: Simplify right side
    2,486.88x = 7,676,681.45
  5. Step 5: Solve for x
    x = 7,676,681.45/2,486.88
  6. Step 6: Final answer
    x = 3,086.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.