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Finding the Fourth Proportional to 1,802.76, 2,699.27 and 1,410.68

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Solution

The fourth proportional to 1,802.76, 2,699.27 and 1,410.68 is: 2,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.76 : 2,699.27 = 1,410.68 : x
  2. Step 2: Convert to fraction form
    1,802.76/2,699.27 = 1,410.68/x
  3. Step 3: Cross multiply
    1,802.76x = 2,699.27 × 1,410.68
  4. Step 4: Simplify right side
    1,802.76x = 3,807,785.65
  5. Step 5: Solve for x
    x = 3,807,785.65/1,802.76
  6. Step 6: Final answer
    x = 2,112.20

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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.