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Finding the Fourth Proportional to 1,659.60, 2,492.82 and 1,604.25

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Solution

The fourth proportional to 1,659.60, 2,492.82 and 1,604.25 is: 2,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.60 : 2,492.82 = 1,604.25 : x
  2. Step 2: Convert to fraction form
    1,659.60/2,492.82 = 1,604.25/x
  3. Step 3: Cross multiply
    1,659.60x = 2,492.82 × 1,604.25
  4. Step 4: Simplify right side
    1,659.60x = 3,999,106.49
  5. Step 5: Solve for x
    x = 3,999,106.49/1,659.60
  6. Step 6: Final answer
    x = 2,409.68

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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.