Home / 3,154.92-4,354-2,090.84

Finding the Fourth Proportional to 3,154.92, 4,354 and 2,090.84

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Solution

The fourth proportional to 3,154.92, 4,354 and 2,090.84 is: 2,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.92 : 4,354 = 2,090.84 : x
  2. Step 2: Convert to fraction form
    3,154.92/4,354 = 2,090.84/x
  3. Step 3: Cross multiply
    3,154.92x = 4,354 × 2,090.84
  4. Step 4: Simplify right side
    3,154.92x = 9,103,517.36
  5. Step 5: Solve for x
    x = 9,103,517.36/3,154.92
  6. Step 6: Final answer
    x = 2,885.50

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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.