Home / 3,445.91-5,165.11-1,692.12

Finding the Fourth Proportional to 3,445.91, 5,165.11 and 1,692.12

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Solution

The fourth proportional to 3,445.91, 5,165.11 and 1,692.12 is: 2,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.91 : 5,165.11 = 1,692.12 : x
  2. Step 2: Convert to fraction form
    3,445.91/5,165.11 = 1,692.12/x
  3. Step 3: Cross multiply
    3,445.91x = 5,165.11 × 1,692.12
  4. Step 4: Simplify right side
    3,445.91x = 8,739,985.93
  5. Step 5: Solve for x
    x = 8,739,985.93/3,445.91
  6. Step 6: Final answer
    x = 2,536.34

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1.5x scale

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.