Home / 3,253.40-4,878.84-1,172.96

Finding the Fourth Proportional to 3,253.40, 4,878.84 and 1,172.96

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Solution

The fourth proportional to 3,253.40, 4,878.84 and 1,172.96 is: 1,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.40 : 4,878.84 = 1,172.96 : x
  2. Step 2: Convert to fraction form
    3,253.40/4,878.84 = 1,172.96/x
  3. Step 3: Cross multiply
    3,253.40x = 4,878.84 × 1,172.96
  4. Step 4: Simplify right side
    3,253.40x = 5,722,684.17
  5. Step 5: Solve for x
    x = 5,722,684.17/3,253.40
  6. Step 6: Final answer
    x = 1,758.99

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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.