Home / 2,217.79-3,056.56-2,104.39

Finding the Fourth Proportional to 2,217.79, 3,056.56 and 2,104.39

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Solution

The fourth proportional to 2,217.79, 3,056.56 and 2,104.39 is: 2,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.79 : 3,056.56 = 2,104.39 : x
  2. Step 2: Convert to fraction form
    2,217.79/3,056.56 = 2,104.39/x
  3. Step 3: Cross multiply
    2,217.79x = 3,056.56 × 2,104.39
  4. Step 4: Simplify right side
    2,217.79x = 6,432,194.30
  5. Step 5: Solve for x
    x = 6,432,194.30/2,217.79
  6. Step 6: Final answer
    x = 2,900.27

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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.