Home / 3,617.41-4,991.99-2,125.50

Finding the Fourth Proportional to 3,617.41, 4,991.99 and 2,125.50

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Solution

The fourth proportional to 3,617.41, 4,991.99 and 2,125.50 is: 2,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.41 : 4,991.99 = 2,125.50 : x
  2. Step 2: Convert to fraction form
    3,617.41/4,991.99 = 2,125.50/x
  3. Step 3: Cross multiply
    3,617.41x = 4,991.99 × 2,125.50
  4. Step 4: Simplify right side
    3,617.41x = 10,610,474.75
  5. Step 5: Solve for x
    x = 10,610,474.75/3,617.41
  6. Step 6: Final answer
    x = 2,933.17

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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.