Home / 2,711.61-3,743.35-2,104.60

Finding the Fourth Proportional to 2,711.61, 3,743.35 and 2,104.60

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Solution

The fourth proportional to 2,711.61, 3,743.35 and 2,104.60 is: 2,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.61 : 3,743.35 = 2,104.60 : x
  2. Step 2: Convert to fraction form
    2,711.61/3,743.35 = 2,104.60/x
  3. Step 3: Cross multiply
    2,711.61x = 3,743.35 × 2,104.60
  4. Step 4: Simplify right side
    2,711.61x = 7,878,225.17
  5. Step 5: Solve for x
    x = 7,878,225.17/2,711.61
  6. Step 6: Final answer
    x = 2,905.37

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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.