Home / 1,804.30-2,490.12-1,095.98

Finding the Fourth Proportional to 1,804.30, 2,490.12 and 1,095.98

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Solution

The fourth proportional to 1,804.30, 2,490.12 and 1,095.98 is: 1,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.30 : 2,490.12 = 1,095.98 : x
  2. Step 2: Convert to fraction form
    1,804.30/2,490.12 = 1,095.98/x
  3. Step 3: Cross multiply
    1,804.30x = 2,490.12 × 1,095.98
  4. Step 4: Simplify right side
    1,804.30x = 2,729,121.72
  5. Step 5: Solve for x
    x = 2,729,121.72/1,804.30
  6. Step 6: Final answer
    x = 1,512.57

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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.