Home / 3,414.50-4,710.98-1,997.81

Finding the Fourth Proportional to 3,414.50, 4,710.98 and 1,997.81

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Solution

The fourth proportional to 3,414.50, 4,710.98 and 1,997.81 is: 2,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.50 : 4,710.98 = 1,997.81 : x
  2. Step 2: Convert to fraction form
    3,414.50/4,710.98 = 1,997.81/x
  3. Step 3: Cross multiply
    3,414.50x = 4,710.98 × 1,997.81
  4. Step 4: Simplify right side
    3,414.50x = 9,411,624.39
  5. Step 5: Solve for x
    x = 9,411,624.39/3,414.50
  6. Step 6: Final answer
    x = 2,756.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.