Home / 3,720.22-5,133.96-2,041.52

Finding the Fourth Proportional to 3,720.22, 5,133.96 and 2,041.52

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Solution

The fourth proportional to 3,720.22, 5,133.96 and 2,041.52 is: 2,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.22 : 5,133.96 = 2,041.52 : x
  2. Step 2: Convert to fraction form
    3,720.22/5,133.96 = 2,041.52/x
  3. Step 3: Cross multiply
    3,720.22x = 5,133.96 × 2,041.52
  4. Step 4: Simplify right side
    3,720.22x = 10,481,082.02
  5. Step 5: Solve for x
    x = 10,481,082.02/3,720.22
  6. Step 6: Final answer
    x = 2,817.33

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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.