Home / 1,816.83-2,726.87-1,124.82

Finding the Fourth Proportional to 1,816.83, 2,726.87 and 1,124.82

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Solution

The fourth proportional to 1,816.83, 2,726.87 and 1,124.82 is: 1,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.83 : 2,726.87 = 1,124.82 : x
  2. Step 2: Convert to fraction form
    1,816.83/2,726.87 = 1,124.82/x
  3. Step 3: Cross multiply
    1,816.83x = 2,726.87 × 1,124.82
  4. Step 4: Simplify right side
    1,816.83x = 3,067,232.29
  5. Step 5: Solve for x
    x = 3,067,232.29/1,816.83
  6. Step 6: Final answer
    x = 1,688.23

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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.