Home / 2,276.51-3,420.23-1,456.38

Finding the Fourth Proportional to 2,276.51, 3,420.23 and 1,456.38

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Solution

The fourth proportional to 2,276.51, 3,420.23 and 1,456.38 is: 2,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.51 : 3,420.23 = 1,456.38 : x
  2. Step 2: Convert to fraction form
    2,276.51/3,420.23 = 1,456.38/x
  3. Step 3: Cross multiply
    2,276.51x = 3,420.23 × 1,456.38
  4. Step 4: Simplify right side
    2,276.51x = 4,981,147.29
  5. Step 5: Solve for x
    x = 4,981,147.29/2,276.51
  6. Step 6: Final answer
    x = 2,188.07

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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.