Home / 3,429.39-4,732.56-1,857.50

Finding the Fourth Proportional to 3,429.39, 4,732.56 and 1,857.50

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Solution

The fourth proportional to 3,429.39, 4,732.56 and 1,857.50 is: 2,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.39 : 4,732.56 = 1,857.50 : x
  2. Step 2: Convert to fraction form
    3,429.39/4,732.56 = 1,857.50/x
  3. Step 3: Cross multiply
    3,429.39x = 4,732.56 × 1,857.50
  4. Step 4: Simplify right side
    3,429.39x = 8,790,706.54
  5. Step 5: Solve for x
    x = 8,790,706.54/3,429.39
  6. Step 6: Final answer
    x = 2,563.34

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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.