Home / 3,146.56-4,718.88-2,528.80

Finding the Fourth Proportional to 3,146.56, 4,718.88 and 2,528.80

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Solution

The fourth proportional to 3,146.56, 4,718.88 and 2,528.80 is: 3,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.56 : 4,718.88 = 2,528.80 : x
  2. Step 2: Convert to fraction form
    3,146.56/4,718.88 = 2,528.80/x
  3. Step 3: Cross multiply
    3,146.56x = 4,718.88 × 2,528.80
  4. Step 4: Simplify right side
    3,146.56x = 11,933,103.74
  5. Step 5: Solve for x
    x = 11,933,103.74/3,146.56
  6. Step 6: Final answer
    x = 3,792.43

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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.