Home / 3,445.45-5,164.49-1,364.56

Finding the Fourth Proportional to 3,445.45, 5,164.49 and 1,364.56

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Solution

The fourth proportional to 3,445.45, 5,164.49 and 1,364.56 is: 2,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.45 : 5,164.49 = 1,364.56 : x
  2. Step 2: Convert to fraction form
    3,445.45/5,164.49 = 1,364.56/x
  3. Step 3: Cross multiply
    3,445.45x = 5,164.49 × 1,364.56
  4. Step 4: Simplify right side
    3,445.45x = 7,047,246.97
  5. Step 5: Solve for x
    x = 7,047,246.97/3,445.45
  6. Step 6: Final answer
    x = 2,045.38

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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.