Home / 3,336.40-5,005.40-1,145.13

Finding the Fourth Proportional to 3,336.40, 5,005.40 and 1,145.13

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Solution

The fourth proportional to 3,336.40, 5,005.40 and 1,145.13 is: 1,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.40 : 5,005.40 = 1,145.13 : x
  2. Step 2: Convert to fraction form
    3,336.40/5,005.40 = 1,145.13/x
  3. Step 3: Cross multiply
    3,336.40x = 5,005.40 × 1,145.13
  4. Step 4: Simplify right side
    3,336.40x = 5,731,833.70
  5. Step 5: Solve for x
    x = 5,731,833.70/3,336.40
  6. Step 6: Final answer
    x = 1,717.97

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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.