Home / 3,365.57-4,646.61-2,189.99

Finding the Fourth Proportional to 3,365.57, 4,646.61 and 2,189.99

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Solution

The fourth proportional to 3,365.57, 4,646.61 and 2,189.99 is: 3,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.57 : 4,646.61 = 2,189.99 : x
  2. Step 2: Convert to fraction form
    3,365.57/4,646.61 = 2,189.99/x
  3. Step 3: Cross multiply
    3,365.57x = 4,646.61 × 2,189.99
  4. Step 4: Simplify right side
    3,365.57x = 10,176,029.43
  5. Step 5: Solve for x
    x = 10,176,029.43/3,365.57
  6. Step 6: Final answer
    x = 3,023.57

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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.