Home / 2,214.83-3,056.47-1,330.64

Finding the Fourth Proportional to 2,214.83, 3,056.47 and 1,330.64

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Solution

The fourth proportional to 2,214.83, 3,056.47 and 1,330.64 is: 1,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.83 : 3,056.47 = 1,330.64 : x
  2. Step 2: Convert to fraction form
    2,214.83/3,056.47 = 1,330.64/x
  3. Step 3: Cross multiply
    2,214.83x = 3,056.47 × 1,330.64
  4. Step 4: Simplify right side
    2,214.83x = 4,067,047.62
  5. Step 5: Solve for x
    x = 4,067,047.62/2,214.83
  6. Step 6: Final answer
    x = 1,836.28

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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.