Home / 3,442.61-5,160.26-2,618.84

Finding the Fourth Proportional to 3,442.61, 5,160.26 and 2,618.84

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Solution

The fourth proportional to 3,442.61, 5,160.26 and 2,618.84 is: 3,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.61 : 5,160.26 = 2,618.84 : x
  2. Step 2: Convert to fraction form
    3,442.61/5,160.26 = 2,618.84/x
  3. Step 3: Cross multiply
    3,442.61x = 5,160.26 × 2,618.84
  4. Step 4: Simplify right side
    3,442.61x = 13,513,914.75
  5. Step 5: Solve for x
    x = 13,513,914.75/3,442.61
  6. Step 6: Final answer
    x = 3,925.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.