Home / 3,260.40-4,892.34-2,165.28

Finding the Fourth Proportional to 3,260.40, 4,892.34 and 2,165.28

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Solution

The fourth proportional to 3,260.40, 4,892.34 and 2,165.28 is: 3,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.40 : 4,892.34 = 2,165.28 : x
  2. Step 2: Convert to fraction form
    3,260.40/4,892.34 = 2,165.28/x
  3. Step 3: Cross multiply
    3,260.40x = 4,892.34 × 2,165.28
  4. Step 4: Simplify right side
    3,260.40x = 10,593,285.96
  5. Step 5: Solve for x
    x = 10,593,285.96/3,260.40
  6. Step 6: Final answer
    x = 3,249.08

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1.5x scale

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.