Home / 4,274.88-6,412.32-1,966.40

Finding the Fourth Proportional to 4,274.88, 6,412.32 and 1,966.40

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Solution

The fourth proportional to 4,274.88, 6,412.32 and 1,966.40 is: 2,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.88 : 6,412.32 = 1,966.40 : x
  2. Step 2: Convert to fraction form
    4,274.88/6,412.32 = 1,966.40/x
  3. Step 3: Cross multiply
    4,274.88x = 6,412.32 × 1,966.40
  4. Step 4: Simplify right side
    4,274.88x = 12,609,186.05
  5. Step 5: Solve for x
    x = 12,609,186.05/4,274.88
  6. Step 6: Final answer
    x = 2,949.60

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Similar ratio
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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.