Home / 3,217.01-4,439.39-1,890.68

Finding the Fourth Proportional to 3,217.01, 4,439.39 and 1,890.68

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Solution

The fourth proportional to 3,217.01, 4,439.39 and 1,890.68 is: 2,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.01 : 4,439.39 = 1,890.68 : x
  2. Step 2: Convert to fraction form
    3,217.01/4,439.39 = 1,890.68/x
  3. Step 3: Cross multiply
    3,217.01x = 4,439.39 × 1,890.68
  4. Step 4: Simplify right side
    3,217.01x = 8,393,434.23
  5. Step 5: Solve for x
    x = 8,393,434.23/3,217.01
  6. Step 6: Final answer
    x = 2,609.08

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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.