Home / 3,546.96-5,310.36-2,389.20

Finding the Fourth Proportional to 3,546.96, 5,310.36 and 2,389.20

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Solution

The fourth proportional to 3,546.96, 5,310.36 and 2,389.20 is: 3,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.96 : 5,310.36 = 2,389.20 : x
  2. Step 2: Convert to fraction form
    3,546.96/5,310.36 = 2,389.20/x
  3. Step 3: Cross multiply
    3,546.96x = 5,310.36 × 2,389.20
  4. Step 4: Simplify right side
    3,546.96x = 12,687,512.11
  5. Step 5: Solve for x
    x = 12,687,512.11/3,546.96
  6. Step 6: Final answer
    x = 3,577.01

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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.