Home / 2,253.60-3,381.21-1,983.06

Finding the Fourth Proportional to 2,253.60, 3,381.21 and 1,983.06

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Solution

The fourth proportional to 2,253.60, 3,381.21 and 1,983.06 is: 2,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.60 : 3,381.21 = 1,983.06 : x
  2. Step 2: Convert to fraction form
    2,253.60/3,381.21 = 1,983.06/x
  3. Step 3: Cross multiply
    2,253.60x = 3,381.21 × 1,983.06
  4. Step 4: Simplify right side
    2,253.60x = 6,705,142.30
  5. Step 5: Solve for x
    x = 6,705,142.30/2,253.60
  6. Step 6: Final answer
    x = 2,975.30

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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.