Home / 2,546.40-3,818.82-986.28

Finding the Fourth Proportional to 2,546.40, 3,818.82 and 986.28

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Solution

The fourth proportional to 2,546.40, 3,818.82 and 986.28 is: 1,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.40 : 3,818.82 = 986.28 : x
  2. Step 2: Convert to fraction form
    2,546.40/3,818.82 = 986.28/x
  3. Step 3: Cross multiply
    2,546.40x = 3,818.82 × 986.28
  4. Step 4: Simplify right side
    2,546.40x = 3,766,425.79
  5. Step 5: Solve for x
    x = 3,766,425.79/2,546.40
  6. Step 6: Final answer
    x = 1,479.12

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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.