Home / 3,692.12-5,537.48-1,717.20

Finding the Fourth Proportional to 3,692.12, 5,537.48 and 1,717.20

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Solution

The fourth proportional to 3,692.12, 5,537.48 and 1,717.20 is: 2,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.12 : 5,537.48 = 1,717.20 : x
  2. Step 2: Convert to fraction form
    3,692.12/5,537.48 = 1,717.20/x
  3. Step 3: Cross multiply
    3,692.12x = 5,537.48 × 1,717.20
  4. Step 4: Simplify right side
    3,692.12x = 9,508,960.66
  5. Step 5: Solve for x
    x = 9,508,960.66/3,692.12
  6. Step 6: Final answer
    x = 2,575.47

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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.