Home / 3,909.24-5,860.62-1,443.60

Finding the Fourth Proportional to 3,909.24, 5,860.62 and 1,443.60

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Solution

The fourth proportional to 3,909.24, 5,860.62 and 1,443.60 is: 2,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.24 : 5,860.62 = 1,443.60 : x
  2. Step 2: Convert to fraction form
    3,909.24/5,860.62 = 1,443.60/x
  3. Step 3: Cross multiply
    3,909.24x = 5,860.62 × 1,443.60
  4. Step 4: Simplify right side
    3,909.24x = 8,460,391.03
  5. Step 5: Solve for x
    x = 8,460,391.03/3,909.24
  6. Step 6: Final answer
    x = 2,164.20

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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.