Home / 1,816.27-2,504.86-1,395.88

Finding the Fourth Proportional to 1,816.27, 2,504.86 and 1,395.88

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Solution

The fourth proportional to 1,816.27, 2,504.86 and 1,395.88 is: 1,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.27 : 2,504.86 = 1,395.88 : x
  2. Step 2: Convert to fraction form
    1,816.27/2,504.86 = 1,395.88/x
  3. Step 3: Cross multiply
    1,816.27x = 2,504.86 × 1,395.88
  4. Step 4: Simplify right side
    1,816.27x = 3,496,474.22
  5. Step 5: Solve for x
    x = 3,496,474.22/1,816.27
  6. Step 6: Final answer
    x = 1,925.09

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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.