Home / 3,560.85-5,343.29-1,917.36

Finding the Fourth Proportional to 3,560.85, 5,343.29 and 1,917.36

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Solution

The fourth proportional to 3,560.85, 5,343.29 and 1,917.36 is: 2,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.85 : 5,343.29 = 1,917.36 : x
  2. Step 2: Convert to fraction form
    3,560.85/5,343.29 = 1,917.36/x
  3. Step 3: Cross multiply
    3,560.85x = 5,343.29 × 1,917.36
  4. Step 4: Simplify right side
    3,560.85x = 10,245,000.93
  5. Step 5: Solve for x
    x = 10,245,000.93/3,560.85
  6. Step 6: Final answer
    x = 2,877.12

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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.