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Finding the Fourth Proportional to 1,765.35, 2,647.34 and 595.03

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Solution

The fourth proportional to 1,765.35, 2,647.34 and 595.03 is: 892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.35 : 2,647.34 = 595.03 : x
  2. Step 2: Convert to fraction form
    1,765.35/2,647.34 = 595.03/x
  3. Step 3: Cross multiply
    1,765.35x = 2,647.34 × 595.03
  4. Step 4: Simplify right side
    1,765.35x = 1,575,246.72
  5. Step 5: Solve for x
    x = 1,575,246.72/1,765.35
  6. Step 6: Final answer
    x = 892.32

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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.