Home / 3,231.09-4,847.45-1,283.45

Finding the Fourth Proportional to 3,231.09, 4,847.45 and 1,283.45

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Solution

The fourth proportional to 3,231.09, 4,847.45 and 1,283.45 is: 1,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.09 : 4,847.45 = 1,283.45 : x
  2. Step 2: Convert to fraction form
    3,231.09/4,847.45 = 1,283.45/x
  3. Step 3: Cross multiply
    3,231.09x = 4,847.45 × 1,283.45
  4. Step 4: Simplify right side
    3,231.09x = 6,221,429.05
  5. Step 5: Solve for x
    x = 6,221,429.05/3,231.09
  6. Step 6: Final answer
    x = 1,925.49

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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.