Home / 3,210.77-4,808.57-2,219.90

Finding the Fourth Proportional to 3,210.77, 4,808.57 and 2,219.90

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Solution

The fourth proportional to 3,210.77, 4,808.57 and 2,219.90 is: 3,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.77 : 4,808.57 = 2,219.90 : x
  2. Step 2: Convert to fraction form
    3,210.77/4,808.57 = 2,219.90/x
  3. Step 3: Cross multiply
    3,210.77x = 4,808.57 × 2,219.90
  4. Step 4: Simplify right side
    3,210.77x = 10,674,541.66
  5. Step 5: Solve for x
    x = 10,674,541.66/3,210.77
  6. Step 6: Final answer
    x = 3,324.60

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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.