Home / 3,380.72-5,071.23-1,041.08

Finding the Fourth Proportional to 3,380.72, 5,071.23 and 1,041.08

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Solution

The fourth proportional to 3,380.72, 5,071.23 and 1,041.08 is: 1,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.72 : 5,071.23 = 1,041.08 : x
  2. Step 2: Convert to fraction form
    3,380.72/5,071.23 = 1,041.08/x
  3. Step 3: Cross multiply
    3,380.72x = 5,071.23 × 1,041.08
  4. Step 4: Simplify right side
    3,380.72x = 5,279,530.77
  5. Step 5: Solve for x
    x = 5,279,530.77/3,380.72
  6. Step 6: Final answer
    x = 1,561.66

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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.