Home / 2,253.26-3,108.81-1,781.24

Finding the Fourth Proportional to 2,253.26, 3,108.81 and 1,781.24

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Solution

The fourth proportional to 2,253.26, 3,108.81 and 1,781.24 is: 2,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.26 : 3,108.81 = 1,781.24 : x
  2. Step 2: Convert to fraction form
    2,253.26/3,108.81 = 1,781.24/x
  3. Step 3: Cross multiply
    2,253.26x = 3,108.81 × 1,781.24
  4. Step 4: Simplify right side
    2,253.26x = 5,537,536.72
  5. Step 5: Solve for x
    x = 5,537,536.72/2,253.26
  6. Step 6: Final answer
    x = 2,457.57

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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.