Home / 1,542.20-2,323.94-1,395.99

Finding the Fourth Proportional to 1,542.20, 2,323.94 and 1,395.99

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Solution

The fourth proportional to 1,542.20, 2,323.94 and 1,395.99 is: 2,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.20 : 2,323.94 = 1,395.99 : x
  2. Step 2: Convert to fraction form
    1,542.20/2,323.94 = 1,395.99/x
  3. Step 3: Cross multiply
    1,542.20x = 2,323.94 × 1,395.99
  4. Step 4: Simplify right side
    1,542.20x = 3,244,190.02
  5. Step 5: Solve for x
    x = 3,244,190.02/1,542.20
  6. Step 6: Final answer
    x = 2,103.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.