Home / 3,546.63-4,892.40-2,129.94

Finding the Fourth Proportional to 3,546.63, 4,892.40 and 2,129.94

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Solution

The fourth proportional to 3,546.63, 4,892.40 and 2,129.94 is: 2,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.63 : 4,892.40 = 2,129.94 : x
  2. Step 2: Convert to fraction form
    3,546.63/4,892.40 = 2,129.94/x
  3. Step 3: Cross multiply
    3,546.63x = 4,892.40 × 2,129.94
  4. Step 4: Simplify right side
    3,546.63x = 10,420,518.46
  5. Step 5: Solve for x
    x = 10,420,518.46/3,546.63
  6. Step 6: Final answer
    x = 2,938.15

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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.