Home / 3,821.03-5,270.02-2,561.68

Finding the Fourth Proportional to 3,821.03, 5,270.02 and 2,561.68

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Solution

The fourth proportional to 3,821.03, 5,270.02 and 2,561.68 is: 3,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.03 : 5,270.02 = 2,561.68 : x
  2. Step 2: Convert to fraction form
    3,821.03/5,270.02 = 2,561.68/x
  3. Step 3: Cross multiply
    3,821.03x = 5,270.02 × 2,561.68
  4. Step 4: Simplify right side
    3,821.03x = 13,500,104.83
  5. Step 5: Solve for x
    x = 13,500,104.83/3,821.03
  6. Step 6: Final answer
    x = 3,533.11

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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.