Home / 3,620.28-4,998.37-2,426.80

Finding the Fourth Proportional to 3,620.28, 4,998.37 and 2,426.80

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Solution

The fourth proportional to 3,620.28, 4,998.37 and 2,426.80 is: 3,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.28 : 4,998.37 = 2,426.80 : x
  2. Step 2: Convert to fraction form
    3,620.28/4,998.37 = 2,426.80/x
  3. Step 3: Cross multiply
    3,620.28x = 4,998.37 × 2,426.80
  4. Step 4: Simplify right side
    3,620.28x = 12,130,044.32
  5. Step 5: Solve for x
    x = 12,130,044.32/3,620.28
  6. Step 6: Final answer
    x = 3,350.58

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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.