Home / 3,983.29-5,970.54-1,642.06

Finding the Fourth Proportional to 3,983.29, 5,970.54 and 1,642.06

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Solution

The fourth proportional to 3,983.29, 5,970.54 and 1,642.06 is: 2,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.29 : 5,970.54 = 1,642.06 : x
  2. Step 2: Convert to fraction form
    3,983.29/5,970.54 = 1,642.06/x
  3. Step 3: Cross multiply
    3,983.29x = 5,970.54 × 1,642.06
  4. Step 4: Simplify right side
    3,983.29x = 9,803,984.91
  5. Step 5: Solve for x
    x = 9,803,984.91/3,983.29
  6. Step 6: Final answer
    x = 2,461.28

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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.