Home / 3,320.10-4,582.26-2,189.07

Finding the Fourth Proportional to 3,320.10, 4,582.26 and 2,189.07

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Solution

The fourth proportional to 3,320.10, 4,582.26 and 2,189.07 is: 3,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.10 : 4,582.26 = 2,189.07 : x
  2. Step 2: Convert to fraction form
    3,320.10/4,582.26 = 2,189.07/x
  3. Step 3: Cross multiply
    3,320.10x = 4,582.26 × 2,189.07
  4. Step 4: Simplify right side
    3,320.10x = 10,030,887.90
  5. Step 5: Solve for x
    x = 10,030,887.90/3,320.10
  6. Step 6: Final answer
    x = 3,021.26

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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.