Home / 2,865.45-4,294.53-1,304.94

Finding the Fourth Proportional to 2,865.45, 4,294.53 and 1,304.94

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Solution

The fourth proportional to 2,865.45, 4,294.53 and 1,304.94 is: 1,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.45 : 4,294.53 = 1,304.94 : x
  2. Step 2: Convert to fraction form
    2,865.45/4,294.53 = 1,304.94/x
  3. Step 3: Cross multiply
    2,865.45x = 4,294.53 × 1,304.94
  4. Step 4: Simplify right side
    2,865.45x = 5,604,103.98
  5. Step 5: Solve for x
    x = 5,604,103.98/2,865.45
  6. Step 6: Final answer
    x = 1,955.75

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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.