Home / 2,275.21-3,409.17-2,056.51

Finding the Fourth Proportional to 2,275.21, 3,409.17 and 2,056.51

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Solution

The fourth proportional to 2,275.21, 3,409.17 and 2,056.51 is: 3,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.21 : 3,409.17 = 2,056.51 : x
  2. Step 2: Convert to fraction form
    2,275.21/3,409.17 = 2,056.51/x
  3. Step 3: Cross multiply
    2,275.21x = 3,409.17 × 2,056.51
  4. Step 4: Simplify right side
    2,275.21x = 7,010,992.20
  5. Step 5: Solve for x
    x = 7,010,992.20/2,275.21
  6. Step 6: Final answer
    x = 3,081.47

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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.