Home / 3,445.13-5,165.88-1,365.05

Finding the Fourth Proportional to 3,445.13, 5,165.88 and 1,365.05

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Solution

The fourth proportional to 3,445.13, 5,165.88 and 1,365.05 is: 2,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.13 : 5,165.88 = 1,365.05 : x
  2. Step 2: Convert to fraction form
    3,445.13/5,165.88 = 1,365.05/x
  3. Step 3: Cross multiply
    3,445.13x = 5,165.88 × 1,365.05
  4. Step 4: Simplify right side
    3,445.13x = 7,051,692.29
  5. Step 5: Solve for x
    x = 7,051,692.29/3,445.13
  6. Step 6: Final answer
    x = 2,046.86

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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.