Home / 3,160.28-4,362.72-2,218.08

Finding the Fourth Proportional to 3,160.28, 4,362.72 and 2,218.08

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Solution

The fourth proportional to 3,160.28, 4,362.72 and 2,218.08 is: 3,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.28 : 4,362.72 = 2,218.08 : x
  2. Step 2: Convert to fraction form
    3,160.28/4,362.72 = 2,218.08/x
  3. Step 3: Cross multiply
    3,160.28x = 4,362.72 × 2,218.08
  4. Step 4: Simplify right side
    3,160.28x = 9,676,861.98
  5. Step 5: Solve for x
    x = 9,676,861.98/3,160.28
  6. Step 6: Final answer
    x = 3,062.03

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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.