Home / 3,619.51-5,430.06-2,060.25

Finding the Fourth Proportional to 3,619.51, 5,430.06 and 2,060.25

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Solution

The fourth proportional to 3,619.51, 5,430.06 and 2,060.25 is: 3,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.51 : 5,430.06 = 2,060.25 : x
  2. Step 2: Convert to fraction form
    3,619.51/5,430.06 = 2,060.25/x
  3. Step 3: Cross multiply
    3,619.51x = 5,430.06 × 2,060.25
  4. Step 4: Simplify right side
    3,619.51x = 11,187,274.18
  5. Step 5: Solve for x
    x = 11,187,274.18/3,619.51
  6. Step 6: Final answer
    x = 3,090.83

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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.