Home / 3,610.78-5,417.11-1,530.86

Finding the Fourth Proportional to 3,610.78, 5,417.11 and 1,530.86

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Solution

The fourth proportional to 3,610.78, 5,417.11 and 1,530.86 is: 2,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.78 : 5,417.11 = 1,530.86 : x
  2. Step 2: Convert to fraction form
    3,610.78/5,417.11 = 1,530.86/x
  3. Step 3: Cross multiply
    3,610.78x = 5,417.11 × 1,530.86
  4. Step 4: Simplify right side
    3,610.78x = 8,292,837.01
  5. Step 5: Solve for x
    x = 8,292,837.01/3,610.78
  6. Step 6: Final answer
    x = 2,296.69

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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.