Home / 3,595.92-5,394.60-1,287.12

Finding the Fourth Proportional to 3,595.92, 5,394.60 and 1,287.12

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Solution

The fourth proportional to 3,595.92, 5,394.60 and 1,287.12 is: 1,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.92 : 5,394.60 = 1,287.12 : x
  2. Step 2: Convert to fraction form
    3,595.92/5,394.60 = 1,287.12/x
  3. Step 3: Cross multiply
    3,595.92x = 5,394.60 × 1,287.12
  4. Step 4: Simplify right side
    3,595.92x = 6,943,497.55
  5. Step 5: Solve for x
    x = 6,943,497.55/3,595.92
  6. Step 6: Final answer
    x = 1,930.94

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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.