Home / 3,620.01-5,415.66-2,281.15

Finding the Fourth Proportional to 3,620.01, 5,415.66 and 2,281.15

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Solution

The fourth proportional to 3,620.01, 5,415.66 and 2,281.15 is: 3,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.01 : 5,415.66 = 2,281.15 : x
  2. Step 2: Convert to fraction form
    3,620.01/5,415.66 = 2,281.15/x
  3. Step 3: Cross multiply
    3,620.01x = 5,415.66 × 2,281.15
  4. Step 4: Simplify right side
    3,620.01x = 12,353,932.81
  5. Step 5: Solve for x
    x = 12,353,932.81/3,620.01
  6. Step 6: Final answer
    x = 3,412.68

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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.