Home / 3,817.52-5,726.48-1,220.26

Finding the Fourth Proportional to 3,817.52, 5,726.48 and 1,220.26

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Solution

The fourth proportional to 3,817.52, 5,726.48 and 1,220.26 is: 1,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.52 : 5,726.48 = 1,220.26 : x
  2. Step 2: Convert to fraction form
    3,817.52/5,726.48 = 1,220.26/x
  3. Step 3: Cross multiply
    3,817.52x = 5,726.48 × 1,220.26
  4. Step 4: Simplify right side
    3,817.52x = 6,987,794.48
  5. Step 5: Solve for x
    x = 6,987,794.48/3,817.52
  6. Step 6: Final answer
    x = 1,830.45

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1.5x scale

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.