Home / 2,157.03-3,229.47-1,671.03

Finding the Fourth Proportional to 2,157.03, 3,229.47 and 1,671.03

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Solution

The fourth proportional to 2,157.03, 3,229.47 and 1,671.03 is: 2,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.03 : 3,229.47 = 1,671.03 : x
  2. Step 2: Convert to fraction form
    2,157.03/3,229.47 = 1,671.03/x
  3. Step 3: Cross multiply
    2,157.03x = 3,229.47 × 1,671.03
  4. Step 4: Simplify right side
    2,157.03x = 5,396,541.25
  5. Step 5: Solve for x
    x = 5,396,541.25/2,157.03
  6. Step 6: Final answer
    x = 2,501.84

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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.