Home / 1,838.25-2,533.90-1,395.38

Finding the Fourth Proportional to 1,838.25, 2,533.90 and 1,395.38

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Solution

The fourth proportional to 1,838.25, 2,533.90 and 1,395.38 is: 1,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.25 : 2,533.90 = 1,395.38 : x
  2. Step 2: Convert to fraction form
    1,838.25/2,533.90 = 1,395.38/x
  3. Step 3: Cross multiply
    1,838.25x = 2,533.90 × 1,395.38
  4. Step 4: Simplify right side
    1,838.25x = 3,535,753.38
  5. Step 5: Solve for x
    x = 3,535,753.38/1,838.25
  6. Step 6: Final answer
    x = 1,923.43

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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.