Home / 3,519.51-5,281.68-1,877.22

Finding the Fourth Proportional to 3,519.51, 5,281.68 and 1,877.22

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Solution

The fourth proportional to 3,519.51, 5,281.68 and 1,877.22 is: 2,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.51 : 5,281.68 = 1,877.22 : x
  2. Step 2: Convert to fraction form
    3,519.51/5,281.68 = 1,877.22/x
  3. Step 3: Cross multiply
    3,519.51x = 5,281.68 × 1,877.22
  4. Step 4: Simplify right side
    3,519.51x = 9,914,875.33
  5. Step 5: Solve for x
    x = 9,914,875.33/3,519.51
  6. Step 6: Final answer
    x = 2,817.12

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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.