Home / 3,801.48-5,700.40-2,157.60

Finding the Fourth Proportional to 3,801.48, 5,700.40 and 2,157.60

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Solution

The fourth proportional to 3,801.48, 5,700.40 and 2,157.60 is: 3,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.48 : 5,700.40 = 2,157.60 : x
  2. Step 2: Convert to fraction form
    3,801.48/5,700.40 = 2,157.60/x
  3. Step 3: Cross multiply
    3,801.48x = 5,700.40 × 2,157.60
  4. Step 4: Simplify right side
    3,801.48x = 12,299,183.04
  5. Step 5: Solve for x
    x = 12,299,183.04/3,801.48
  6. Step 6: Final answer
    x = 3,235.37

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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.