Home / 2,905.26-4,356.46-1,445.23

Finding the Fourth Proportional to 2,905.26, 4,356.46 and 1,445.23

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Solution

The fourth proportional to 2,905.26, 4,356.46 and 1,445.23 is: 2,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.26 : 4,356.46 = 1,445.23 : x
  2. Step 2: Convert to fraction form
    2,905.26/4,356.46 = 1,445.23/x
  3. Step 3: Cross multiply
    2,905.26x = 4,356.46 × 1,445.23
  4. Step 4: Simplify right side
    2,905.26x = 6,296,086.69
  5. Step 5: Solve for x
    x = 6,296,086.69/2,905.26
  6. Step 6: Final answer
    x = 2,167.13

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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.