Home / 3,655.06-5,043.57-2,239.09

Finding the Fourth Proportional to 3,655.06, 5,043.57 and 2,239.09

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Solution

The fourth proportional to 3,655.06, 5,043.57 and 2,239.09 is: 3,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.06 : 5,043.57 = 2,239.09 : x
  2. Step 2: Convert to fraction form
    3,655.06/5,043.57 = 2,239.09/x
  3. Step 3: Cross multiply
    3,655.06x = 5,043.57 × 2,239.09
  4. Step 4: Simplify right side
    3,655.06x = 11,292,986.15
  5. Step 5: Solve for x
    x = 11,292,986.15/3,655.06
  6. Step 6: Final answer
    x = 3,089.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.