Home / 3,583.80-4,944.96-2,167.20

Finding the Fourth Proportional to 3,583.80, 4,944.96 and 2,167.20

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Solution

The fourth proportional to 3,583.80, 4,944.96 and 2,167.20 is: 2,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.80 : 4,944.96 = 2,167.20 : x
  2. Step 2: Convert to fraction form
    3,583.80/4,944.96 = 2,167.20/x
  3. Step 3: Cross multiply
    3,583.80x = 4,944.96 × 2,167.20
  4. Step 4: Simplify right side
    3,583.80x = 10,716,717.31
  5. Step 5: Solve for x
    x = 10,716,717.31/3,583.80
  6. Step 6: Final answer
    x = 2,990.32

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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.