Home / 3,154.41-4,353.30-2,090.34

Finding the Fourth Proportional to 3,154.41, 4,353.30 and 2,090.34

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Solution

The fourth proportional to 3,154.41, 4,353.30 and 2,090.34 is: 2,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.41 : 4,353.30 = 2,090.34 : x
  2. Step 2: Convert to fraction form
    3,154.41/4,353.30 = 2,090.34/x
  3. Step 3: Cross multiply
    3,154.41x = 4,353.30 × 2,090.34
  4. Step 4: Simplify right side
    3,154.41x = 9,099,877.12
  5. Step 5: Solve for x
    x = 9,099,877.12/3,154.41
  6. Step 6: Final answer
    x = 2,884.81

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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.