Home / 3,008.09-4,508.49-2,130.86

Finding the Fourth Proportional to 3,008.09, 4,508.49 and 2,130.86

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Solution

The fourth proportional to 3,008.09, 4,508.49 and 2,130.86 is: 3,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.09 : 4,508.49 = 2,130.86 : x
  2. Step 2: Convert to fraction form
    3,008.09/4,508.49 = 2,130.86/x
  3. Step 3: Cross multiply
    3,008.09x = 4,508.49 × 2,130.86
  4. Step 4: Simplify right side
    3,008.09x = 9,606,936.92
  5. Step 5: Solve for x
    x = 9,606,936.92/3,008.09
  6. Step 6: Final answer
    x = 3,193.70

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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.