Home / 3,530.56-5,290.08-2,070.88

Finding the Fourth Proportional to 3,530.56, 5,290.08 and 2,070.88

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Solution

The fourth proportional to 3,530.56, 5,290.08 and 2,070.88 is: 3,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.56 : 5,290.08 = 2,070.88 : x
  2. Step 2: Convert to fraction form
    3,530.56/5,290.08 = 2,070.88/x
  3. Step 3: Cross multiply
    3,530.56x = 5,290.08 × 2,070.88
  4. Step 4: Simplify right side
    3,530.56x = 10,955,120.87
  5. Step 5: Solve for x
    x = 10,955,120.87/3,530.56
  6. Step 6: Final answer
    x = 3,102.94

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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.