Home / 2,270.79-3,132.84-1,326.42

Finding the Fourth Proportional to 2,270.79, 3,132.84 and 1,326.42

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Solution

The fourth proportional to 2,270.79, 3,132.84 and 1,326.42 is: 1,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.79 : 3,132.84 = 1,326.42 : x
  2. Step 2: Convert to fraction form
    2,270.79/3,132.84 = 1,326.42/x
  3. Step 3: Cross multiply
    2,270.79x = 3,132.84 × 1,326.42
  4. Step 4: Simplify right side
    2,270.79x = 4,155,461.63
  5. Step 5: Solve for x
    x = 4,155,461.63/2,270.79
  6. Step 6: Final answer
    x = 1,829.96

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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.