Home / 2,215.36-3,056-1,624.56

Finding the Fourth Proportional to 2,215.36, 3,056 and 1,624.56

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Solution

The fourth proportional to 2,215.36, 3,056 and 1,624.56 is: 2,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.36 : 3,056 = 1,624.56 : x
  2. Step 2: Convert to fraction form
    2,215.36/3,056 = 1,624.56/x
  3. Step 3: Cross multiply
    2,215.36x = 3,056 × 1,624.56
  4. Step 4: Simplify right side
    2,215.36x = 4,964,655.36
  5. Step 5: Solve for x
    x = 4,964,655.36/2,215.36
  6. Step 6: Final answer
    x = 2,241.02

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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.