Home / 3,207.56-4,803-2,748.28

Finding the Fourth Proportional to 3,207.56, 4,803 and 2,748.28

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Solution

The fourth proportional to 3,207.56, 4,803 and 2,748.28 is: 4,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.56 : 4,803 = 2,748.28 : x
  2. Step 2: Convert to fraction form
    3,207.56/4,803 = 2,748.28/x
  3. Step 3: Cross multiply
    3,207.56x = 4,803 × 2,748.28
  4. Step 4: Simplify right side
    3,207.56x = 13,199,988.84
  5. Step 5: Solve for x
    x = 13,199,988.84/3,207.56
  6. Step 6: Final answer
    x = 4,115.27

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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.