Home / 3,655.56-5,045.62-2,239.72

Finding the Fourth Proportional to 3,655.56, 5,045.62 and 2,239.72

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Solution

The fourth proportional to 3,655.56, 5,045.62 and 2,239.72 is: 3,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.56 : 5,045.62 = 2,239.72 : x
  2. Step 2: Convert to fraction form
    3,655.56/5,045.62 = 2,239.72/x
  3. Step 3: Cross multiply
    3,655.56x = 5,045.62 × 2,239.72
  4. Step 4: Simplify right side
    3,655.56x = 11,300,776.03
  5. Step 5: Solve for x
    x = 11,300,776.03/3,655.56
  6. Step 6: Final answer
    x = 3,091.39

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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.