Home / 3,675.51-5,499.45-2,189.28

Finding the Fourth Proportional to 3,675.51, 5,499.45 and 2,189.28

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Solution

The fourth proportional to 3,675.51, 5,499.45 and 2,189.28 is: 3,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.51 : 5,499.45 = 2,189.28 : x
  2. Step 2: Convert to fraction form
    3,675.51/5,499.45 = 2,189.28/x
  3. Step 3: Cross multiply
    3,675.51x = 5,499.45 × 2,189.28
  4. Step 4: Simplify right side
    3,675.51x = 12,039,835.90
  5. Step 5: Solve for x
    x = 12,039,835.90/3,675.51
  6. Step 6: Final answer
    x = 3,275.69

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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.