Home / 3,284.70-4,531.38-1,957.62

Finding the Fourth Proportional to 3,284.70, 4,531.38 and 1,957.62

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Solution

The fourth proportional to 3,284.70, 4,531.38 and 1,957.62 is: 2,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.70 : 4,531.38 = 1,957.62 : x
  2. Step 2: Convert to fraction form
    3,284.70/4,531.38 = 1,957.62/x
  3. Step 3: Cross multiply
    3,284.70x = 4,531.38 × 1,957.62
  4. Step 4: Simplify right side
    3,284.70x = 8,870,720.12
  5. Step 5: Solve for x
    x = 8,870,720.12/3,284.70
  6. Step 6: Final answer
    x = 2,700.62

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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.