Home / 3,580.69-5,369.22-1,240.45

Finding the Fourth Proportional to 3,580.69, 5,369.22 and 1,240.45

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Solution

The fourth proportional to 3,580.69, 5,369.22 and 1,240.45 is: 1,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.69 : 5,369.22 = 1,240.45 : x
  2. Step 2: Convert to fraction form
    3,580.69/5,369.22 = 1,240.45/x
  3. Step 3: Cross multiply
    3,580.69x = 5,369.22 × 1,240.45
  4. Step 4: Simplify right side
    3,580.69x = 6,660,248.95
  5. Step 5: Solve for x
    x = 6,660,248.95/3,580.69
  6. Step 6: Final answer
    x = 1,860.05

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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.