Home / 3,286.50-4,923.54-2,547.38

Finding the Fourth Proportional to 3,286.50, 4,923.54 and 2,547.38

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Solution

The fourth proportional to 3,286.50, 4,923.54 and 2,547.38 is: 3,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.50 : 4,923.54 = 2,547.38 : x
  2. Step 2: Convert to fraction form
    3,286.50/4,923.54 = 2,547.38/x
  3. Step 3: Cross multiply
    3,286.50x = 4,923.54 × 2,547.38
  4. Step 4: Simplify right side
    3,286.50x = 12,542,102.71
  5. Step 5: Solve for x
    x = 12,542,102.71/3,286.50
  6. Step 6: Final answer
    x = 3,816.25

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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.