Home / 3,286.08-4,534.86-1,869.83

Finding the Fourth Proportional to 3,286.08, 4,534.86 and 1,869.83

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Solution

The fourth proportional to 3,286.08, 4,534.86 and 1,869.83 is: 2,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.08 : 4,534.86 = 1,869.83 : x
  2. Step 2: Convert to fraction form
    3,286.08/4,534.86 = 1,869.83/x
  3. Step 3: Cross multiply
    3,286.08x = 4,534.86 × 1,869.83
  4. Step 4: Simplify right side
    3,286.08x = 8,479,394.60
  5. Step 5: Solve for x
    x = 8,479,394.60/3,286.08
  6. Step 6: Final answer
    x = 2,580.40

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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.