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Finding the Fourth Proportional to 1,804.86, 2,707.28 and 1,476.81

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Solution

The fourth proportional to 1,804.86, 2,707.28 and 1,476.81 is: 2,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.86 : 2,707.28 = 1,476.81 : x
  2. Step 2: Convert to fraction form
    1,804.86/2,707.28 = 1,476.81/x
  3. Step 3: Cross multiply
    1,804.86x = 2,707.28 × 1,476.81
  4. Step 4: Simplify right side
    1,804.86x = 3,998,138.18
  5. Step 5: Solve for x
    x = 3,998,138.18/1,804.86
  6. Step 6: Final answer
    x = 2,215.21

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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.