Home / 2,748.31-4,118.61-1,516.30

Finding the Fourth Proportional to 2,748.31, 4,118.61 and 1,516.30

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Solution

The fourth proportional to 2,748.31, 4,118.61 and 1,516.30 is: 2,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.31 : 4,118.61 = 1,516.30 : x
  2. Step 2: Convert to fraction form
    2,748.31/4,118.61 = 1,516.30/x
  3. Step 3: Cross multiply
    2,748.31x = 4,118.61 × 1,516.30
  4. Step 4: Simplify right side
    2,748.31x = 6,245,048.34
  5. Step 5: Solve for x
    x = 6,245,048.34/2,748.31
  6. Step 6: Final answer
    x = 2,272.32

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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.