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Finding the Fourth Proportional to 1,551.79, 2,322.82 and 883.81

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Solution

The fourth proportional to 1,551.79, 2,322.82 and 883.81 is: 1,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.79 : 2,322.82 = 883.81 : x
  2. Step 2: Convert to fraction form
    1,551.79/2,322.82 = 883.81/x
  3. Step 3: Cross multiply
    1,551.79x = 2,322.82 × 883.81
  4. Step 4: Simplify right side
    1,551.79x = 2,052,931.54
  5. Step 5: Solve for x
    x = 2,052,931.54/1,551.79
  6. Step 6: Final answer
    x = 1,322.94

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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.