Home / 3,821.78-5,271.06-2,562.43

Finding the Fourth Proportional to 3,821.78, 5,271.06 and 2,562.43

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Solution

The fourth proportional to 3,821.78, 5,271.06 and 2,562.43 is: 3,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.78 : 5,271.06 = 2,562.43 : x
  2. Step 2: Convert to fraction form
    3,821.78/5,271.06 = 2,562.43/x
  3. Step 3: Cross multiply
    3,821.78x = 5,271.06 × 2,562.43
  4. Step 4: Simplify right side
    3,821.78x = 13,506,722.28
  5. Step 5: Solve for x
    x = 13,506,722.28/3,821.78
  6. Step 6: Final answer
    x = 3,534.14

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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.