Home / 2,385.35-3,573.47-1,997.84

Finding the Fourth Proportional to 2,385.35, 3,573.47 and 1,997.84

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Solution

The fourth proportional to 2,385.35, 3,573.47 and 1,997.84 is: 2,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.35 : 3,573.47 = 1,997.84 : x
  2. Step 2: Convert to fraction form
    2,385.35/3,573.47 = 1,997.84/x
  3. Step 3: Cross multiply
    2,385.35x = 3,573.47 × 1,997.84
  4. Step 4: Simplify right side
    2,385.35x = 7,139,213.94
  5. Step 5: Solve for x
    x = 7,139,213.94/2,385.35
  6. Step 6: Final answer
    x = 2,992.94

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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.