Home / 3,821.28-5,270.37-2,561.93

Finding the Fourth Proportional to 3,821.28, 5,270.37 and 2,561.93

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Solution

The fourth proportional to 3,821.28, 5,270.37 and 2,561.93 is: 3,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.28 : 5,270.37 = 2,561.93 : x
  2. Step 2: Convert to fraction form
    3,821.28/5,270.37 = 2,561.93/x
  3. Step 3: Cross multiply
    3,821.28x = 5,270.37 × 2,561.93
  4. Step 4: Simplify right side
    3,821.28x = 13,502,319.01
  5. Step 5: Solve for x
    x = 13,502,319.01/3,821.28
  6. Step 6: Final answer
    x = 3,533.45

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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.