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Finding the Fourth Proportional to 1,847.81, 2,772.19 and 549.28

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Solution

The fourth proportional to 1,847.81, 2,772.19 and 549.28 is: 824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.81 : 2,772.19 = 549.28 : x
  2. Step 2: Convert to fraction form
    1,847.81/2,772.19 = 549.28/x
  3. Step 3: Cross multiply
    1,847.81x = 2,772.19 × 549.28
  4. Step 4: Simplify right side
    1,847.81x = 1,522,712.68
  5. Step 5: Solve for x
    x = 1,522,712.68/1,847.81
  6. Step 6: Final answer
    x = 824.06

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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.