Home / 3,617.20-4,991.83-2,045.30

Finding the Fourth Proportional to 3,617.20, 4,991.83 and 2,045.30

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Solution

The fourth proportional to 3,617.20, 4,991.83 and 2,045.30 is: 2,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.20 : 4,991.83 = 2,045.30 : x
  2. Step 2: Convert to fraction form
    3,617.20/4,991.83 = 2,045.30/x
  3. Step 3: Cross multiply
    3,617.20x = 4,991.83 × 2,045.30
  4. Step 4: Simplify right side
    3,617.20x = 10,209,797.27
  5. Step 5: Solve for x
    x = 10,209,797.27/3,617.20
  6. Step 6: Final answer
    x = 2,822.57

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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.