Home / 3,284.10-4,531.70-1,957.55

Finding the Fourth Proportional to 3,284.10, 4,531.70 and 1,957.55

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Solution

The fourth proportional to 3,284.10, 4,531.70 and 1,957.55 is: 2,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.10 : 4,531.70 = 1,957.55 : x
  2. Step 2: Convert to fraction form
    3,284.10/4,531.70 = 1,957.55/x
  3. Step 3: Cross multiply
    3,284.10x = 4,531.70 × 1,957.55
  4. Step 4: Simplify right side
    3,284.10x = 8,870,996.89
  5. Step 5: Solve for x
    x = 8,870,996.89/3,284.10
  6. Step 6: Final answer
    x = 2,701.20

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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.