Home / 3,580.30-5,369.59-1,240.41

Finding the Fourth Proportional to 3,580.30, 5,369.59 and 1,240.41

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Solution

The fourth proportional to 3,580.30, 5,369.59 and 1,240.41 is: 1,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.30 : 5,369.59 = 1,240.41 : x
  2. Step 2: Convert to fraction form
    3,580.30/5,369.59 = 1,240.41/x
  3. Step 3: Cross multiply
    3,580.30x = 5,369.59 × 1,240.41
  4. Step 4: Simplify right side
    3,580.30x = 6,660,514.82
  5. Step 5: Solve for x
    x = 6,660,514.82/3,580.30
  6. Step 6: Final answer
    x = 1,860.32

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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.