Home / 3,969.17-5,954.40-1,336.91

Finding the Fourth Proportional to 3,969.17, 5,954.40 and 1,336.91

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Solution

The fourth proportional to 3,969.17, 5,954.40 and 1,336.91 is: 2,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.17 : 5,954.40 = 1,336.91 : x
  2. Step 2: Convert to fraction form
    3,969.17/5,954.40 = 1,336.91/x
  3. Step 3: Cross multiply
    3,969.17x = 5,954.40 × 1,336.91
  4. Step 4: Simplify right side
    3,969.17x = 7,960,467.13
  5. Step 5: Solve for x
    x = 7,960,467.13/3,969.17
  6. Step 6: Final answer
    x = 2,005.58

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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.