Home / 3,420.18-4,717.13-2,581.02

Finding the Fourth Proportional to 3,420.18, 4,717.13 and 2,581.02

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Solution

The fourth proportional to 3,420.18, 4,717.13 and 2,581.02 is: 3,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.18 : 4,717.13 = 2,581.02 : x
  2. Step 2: Convert to fraction form
    3,420.18/4,717.13 = 2,581.02/x
  3. Step 3: Cross multiply
    3,420.18x = 4,717.13 × 2,581.02
  4. Step 4: Simplify right side
    3,420.18x = 12,174,993.97
  5. Step 5: Solve for x
    x = 12,174,993.97/3,420.18
  6. Step 6: Final answer
    x = 3,559.75

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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.