Home / 3,272.74-4,516.40-1,780.70

Finding the Fourth Proportional to 3,272.74, 4,516.40 and 1,780.70

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Solution

The fourth proportional to 3,272.74, 4,516.40 and 1,780.70 is: 2,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.74 : 4,516.40 = 1,780.70 : x
  2. Step 2: Convert to fraction form
    3,272.74/4,516.40 = 1,780.70/x
  3. Step 3: Cross multiply
    3,272.74x = 4,516.40 × 1,780.70
  4. Step 4: Simplify right side
    3,272.74x = 8,042,335.35
  5. Step 5: Solve for x
    x = 8,042,335.35/3,272.74
  6. Step 6: Final answer
    x = 2,457.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.