Home / 2,216.77-3,325.73-983.88

Finding the Fourth Proportional to 2,216.77, 3,325.73 and 983.88

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Solution

The fourth proportional to 2,216.77, 3,325.73 and 983.88 is: 1,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.77 : 3,325.73 = 983.88 : x
  2. Step 2: Convert to fraction form
    2,216.77/3,325.73 = 983.88/x
  3. Step 3: Cross multiply
    2,216.77x = 3,325.73 × 983.88
  4. Step 4: Simplify right side
    2,216.77x = 3,272,114.31
  5. Step 5: Solve for x
    x = 3,272,114.31/2,216.77
  6. Step 6: Final answer
    x = 1,476.07

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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.