Home / 3,522.10-5,279.28-1,877

Finding the Fourth Proportional to 3,522.10, 5,279.28 and 1,877

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Solution

The fourth proportional to 3,522.10, 5,279.28 and 1,877 is: 2,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.10 : 5,279.28 = 1,877 : x
  2. Step 2: Convert to fraction form
    3,522.10/5,279.28 = 1,877/x
  3. Step 3: Cross multiply
    3,522.10x = 5,279.28 × 1,877
  4. Step 4: Simplify right side
    3,522.10x = 9,909,208.56
  5. Step 5: Solve for x
    x = 9,909,208.56/3,522.10
  6. Step 6: Final answer
    x = 2,813.44

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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.