Home / 1,644.52-2,264.32-1,395.04

Finding the Fourth Proportional to 1,644.52, 2,264.32 and 1,395.04

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Solution

The fourth proportional to 1,644.52, 2,264.32 and 1,395.04 is: 1,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.52 : 2,264.32 = 1,395.04 : x
  2. Step 2: Convert to fraction form
    1,644.52/2,264.32 = 1,395.04/x
  3. Step 3: Cross multiply
    1,644.52x = 2,264.32 × 1,395.04
  4. Step 4: Simplify right side
    1,644.52x = 3,158,816.97
  5. Step 5: Solve for x
    x = 3,158,816.97/1,644.52
  6. Step 6: Final answer
    x = 1,920.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.