Home / 3,933.47-5,896.07-1,981.58

Finding the Fourth Proportional to 3,933.47, 5,896.07 and 1,981.58

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Solution

The fourth proportional to 3,933.47, 5,896.07 and 1,981.58 is: 2,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.47 : 5,896.07 = 1,981.58 : x
  2. Step 2: Convert to fraction form
    3,933.47/5,896.07 = 1,981.58/x
  3. Step 3: Cross multiply
    3,933.47x = 5,896.07 × 1,981.58
  4. Step 4: Simplify right side
    3,933.47x = 11,683,495.00
  5. Step 5: Solve for x
    x = 11,683,495.00/3,933.47
  6. Step 6: Final answer
    x = 2,970.28

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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.