Home / 2,459.40-3,692.82-1,997.64

Finding the Fourth Proportional to 2,459.40, 3,692.82 and 1,997.64

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Solution

The fourth proportional to 2,459.40, 3,692.82 and 1,997.64 is: 2,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.40 : 3,692.82 = 1,997.64 : x
  2. Step 2: Convert to fraction form
    2,459.40/3,692.82 = 1,997.64/x
  3. Step 3: Cross multiply
    2,459.40x = 3,692.82 × 1,997.64
  4. Step 4: Simplify right side
    2,459.40x = 7,376,924.94
  5. Step 5: Solve for x
    x = 7,376,924.94/2,459.40
  6. Step 6: Final answer
    x = 2,999.48

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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.