Home / 2,214.80-3,054.48-1,330.28

Finding the Fourth Proportional to 2,214.80, 3,054.48 and 1,330.28

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Solution

The fourth proportional to 2,214.80, 3,054.48 and 1,330.28 is: 1,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.80 : 3,054.48 = 1,330.28 : x
  2. Step 2: Convert to fraction form
    2,214.80/3,054.48 = 1,330.28/x
  3. Step 3: Cross multiply
    2,214.80x = 3,054.48 × 1,330.28
  4. Step 4: Simplify right side
    2,214.80x = 4,063,313.65
  5. Step 5: Solve for x
    x = 4,063,313.65/2,214.80
  6. Step 6: Final answer
    x = 1,834.62

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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.