Home / 3,023.50-4,170.30-2,921.89

Finding the Fourth Proportional to 3,023.50, 4,170.30 and 2,921.89

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Solution

The fourth proportional to 3,023.50, 4,170.30 and 2,921.89 is: 4,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.50 : 4,170.30 = 2,921.89 : x
  2. Step 2: Convert to fraction form
    3,023.50/4,170.30 = 2,921.89/x
  3. Step 3: Cross multiply
    3,023.50x = 4,170.30 × 2,921.89
  4. Step 4: Simplify right side
    3,023.50x = 12,185,157.87
  5. Step 5: Solve for x
    x = 12,185,157.87/3,023.50
  6. Step 6: Final answer
    x = 4,030.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.