Home / 3,720.39-5,133.96-2,041.49

Finding the Fourth Proportional to 3,720.39, 5,133.96 and 2,041.49

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Solution

The fourth proportional to 3,720.39, 5,133.96 and 2,041.49 is: 2,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.39 : 5,133.96 = 2,041.49 : x
  2. Step 2: Convert to fraction form
    3,720.39/5,133.96 = 2,041.49/x
  3. Step 3: Cross multiply
    3,720.39x = 5,133.96 × 2,041.49
  4. Step 4: Simplify right side
    3,720.39x = 10,480,902.33
  5. Step 5: Solve for x
    x = 10,480,902.33/3,720.39
  6. Step 6: Final answer
    x = 2,817.15

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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.