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Finding the Fourth Proportional to 1,765.10, 2,645.81 and 594.70

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Solution

The fourth proportional to 1,765.10, 2,645.81 and 594.70 is: 891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.10 : 2,645.81 = 594.70 : x
  2. Step 2: Convert to fraction form
    1,765.10/2,645.81 = 594.70/x
  3. Step 3: Cross multiply
    1,765.10x = 2,645.81 × 594.70
  4. Step 4: Simplify right side
    1,765.10x = 1,573,461.62
  5. Step 5: Solve for x
    x = 1,573,461.62/1,765.10
  6. Step 6: Final answer
    x = 891.43

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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.