Home / 1,165.98-1,748.85-617.58

Finding the Fourth Proportional to 1,165.98, 1,748.85 and 617.58

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Solution

The fourth proportional to 1,165.98, 1,748.85 and 617.58 is: 926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.98 : 1,748.85 = 617.58 : x
  2. Step 2: Convert to fraction form
    1,165.98/1,748.85 = 617.58/x
  3. Step 3: Cross multiply
    1,165.98x = 1,748.85 × 617.58
  4. Step 4: Simplify right side
    1,165.98x = 1,080,054.78
  5. Step 5: Solve for x
    x = 1,080,054.78/1,165.98
  6. Step 6: Final answer
    x = 926.31

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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.