Home / 2,676.36-4,016.28-1,215.53

Finding the Fourth Proportional to 2,676.36, 4,016.28 and 1,215.53

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Solution

The fourth proportional to 2,676.36, 4,016.28 and 1,215.53 is: 1,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.36 : 4,016.28 = 1,215.53 : x
  2. Step 2: Convert to fraction form
    2,676.36/4,016.28 = 1,215.53/x
  3. Step 3: Cross multiply
    2,676.36x = 4,016.28 × 1,215.53
  4. Step 4: Simplify right side
    2,676.36x = 4,881,888.75
  5. Step 5: Solve for x
    x = 4,881,888.75/2,676.36
  6. Step 6: Final answer
    x = 1,824.08

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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.