Home / 2,216.04-3,057.12-1,284

Finding the Fourth Proportional to 2,216.04, 3,057.12 and 1,284

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Solution

The fourth proportional to 2,216.04, 3,057.12 and 1,284 is: 1,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.04 : 3,057.12 = 1,284 : x
  2. Step 2: Convert to fraction form
    2,216.04/3,057.12 = 1,284/x
  3. Step 3: Cross multiply
    2,216.04x = 3,057.12 × 1,284
  4. Step 4: Simplify right side
    2,216.04x = 3,925,342.08
  5. Step 5: Solve for x
    x = 3,925,342.08/2,216.04
  6. Step 6: Final answer
    x = 1,771.33

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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.