Home / 2,740.45-4,109.73-1,096.57

Finding the Fourth Proportional to 2,740.45, 4,109.73 and 1,096.57

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Solution

The fourth proportional to 2,740.45, 4,109.73 and 1,096.57 is: 1,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.45 : 4,109.73 = 1,096.57 : x
  2. Step 2: Convert to fraction form
    2,740.45/4,109.73 = 1,096.57/x
  3. Step 3: Cross multiply
    2,740.45x = 4,109.73 × 1,096.57
  4. Step 4: Simplify right side
    2,740.45x = 4,506,606.63
  5. Step 5: Solve for x
    x = 4,506,606.63/2,740.45
  6. Step 6: Final answer
    x = 1,644.48

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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.