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Finding the Fourth Proportional to 1,881.60, 2,823.48 and 1,016.88

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Solution

The fourth proportional to 1,881.60, 2,823.48 and 1,016.88 is: 1,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.60 : 2,823.48 = 1,016.88 : x
  2. Step 2: Convert to fraction form
    1,881.60/2,823.48 = 1,016.88/x
  3. Step 3: Cross multiply
    1,881.60x = 2,823.48 × 1,016.88
  4. Step 4: Simplify right side
    1,881.60x = 2,871,140.34
  5. Step 5: Solve for x
    x = 2,871,140.34/1,881.60
  6. Step 6: Final answer
    x = 1,525.90

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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.