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Finding the Fourth Proportional to 1,600.63, 2,207.05 and 1,304.98

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Solution

The fourth proportional to 1,600.63, 2,207.05 and 1,304.98 is: 1,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.63 : 2,207.05 = 1,304.98 : x
  2. Step 2: Convert to fraction form
    1,600.63/2,207.05 = 1,304.98/x
  3. Step 3: Cross multiply
    1,600.63x = 2,207.05 × 1,304.98
  4. Step 4: Simplify right side
    1,600.63x = 2,880,156.11
  5. Step 5: Solve for x
    x = 2,880,156.11/1,600.63
  6. Step 6: Final answer
    x = 1,799.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.