Home / 2,885.45-4,326.33-1,715.14

Finding the Fourth Proportional to 2,885.45, 4,326.33 and 1,715.14

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Solution

The fourth proportional to 2,885.45, 4,326.33 and 1,715.14 is: 2,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.45 : 4,326.33 = 1,715.14 : x
  2. Step 2: Convert to fraction form
    2,885.45/4,326.33 = 1,715.14/x
  3. Step 3: Cross multiply
    2,885.45x = 4,326.33 × 1,715.14
  4. Step 4: Simplify right side
    2,885.45x = 7,420,261.64
  5. Step 5: Solve for x
    x = 7,420,261.64/2,885.45
  6. Step 6: Final answer
    x = 2,571.61

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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.