Home / 3,610.09-5,415.18-1,145.08

Finding the Fourth Proportional to 3,610.09, 5,415.18 and 1,145.08

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Solution

The fourth proportional to 3,610.09, 5,415.18 and 1,145.08 is: 1,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.09 : 5,415.18 = 1,145.08 : x
  2. Step 2: Convert to fraction form
    3,610.09/5,415.18 = 1,145.08/x
  3. Step 3: Cross multiply
    3,610.09x = 5,415.18 × 1,145.08
  4. Step 4: Simplify right side
    3,610.09x = 6,200,814.31
  5. Step 5: Solve for x
    x = 6,200,814.31/3,610.09
  6. Step 6: Final answer
    x = 1,717.63

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1.5x scale

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.