Home / 3,160.08-4,362.62-2,166.80

Finding the Fourth Proportional to 3,160.08, 4,362.62 and 2,166.80

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Solution

The fourth proportional to 3,160.08, 4,362.62 and 2,166.80 is: 2,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.08 : 4,362.62 = 2,166.80 : x
  2. Step 2: Convert to fraction form
    3,160.08/4,362.62 = 2,166.80/x
  3. Step 3: Cross multiply
    3,160.08x = 4,362.62 × 2,166.80
  4. Step 4: Simplify right side
    3,160.08x = 9,452,892.37
  5. Step 5: Solve for x
    x = 9,452,892.37/3,160.08
  6. Step 6: Final answer
    x = 2,991.35

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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.