Home / 3,561.18-5,341.62-1,480.62

Finding the Fourth Proportional to 3,561.18, 5,341.62 and 1,480.62

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Solution

The fourth proportional to 3,561.18, 5,341.62 and 1,480.62 is: 2,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.18 : 5,341.62 = 1,480.62 : x
  2. Step 2: Convert to fraction form
    3,561.18/5,341.62 = 1,480.62/x
  3. Step 3: Cross multiply
    3,561.18x = 5,341.62 × 1,480.62
  4. Step 4: Simplify right side
    3,561.18x = 7,908,909.40
  5. Step 5: Solve for x
    x = 7,908,909.40/3,561.18
  6. Step 6: Final answer
    x = 2,220.87

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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.