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Finding the Fourth Proportional to 3,235.60, 4,853.84 and 1,260.84

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Solution

The fourth proportional to 3,235.60, 4,853.84 and 1,260.84 is: 1,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.60 : 4,853.84 = 1,260.84 : x
  2. Step 2: Convert to fraction form
    3,235.60/4,853.84 = 1,260.84/x
  3. Step 3: Cross multiply
    3,235.60x = 4,853.84 × 1,260.84
  4. Step 4: Simplify right side
    3,235.60x = 6,119,915.63
  5. Step 5: Solve for x
    x = 6,119,915.63/3,235.60
  6. Step 6: Final answer
    x = 1,891.43

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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.