Home / 1,862.07-2,792.87-629.43

Finding the Fourth Proportional to 1,862.07, 2,792.87 and 629.43

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Solution

The fourth proportional to 1,862.07, 2,792.87 and 629.43 is: 944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.07 : 2,792.87 = 629.43 : x
  2. Step 2: Convert to fraction form
    1,862.07/2,792.87 = 629.43/x
  3. Step 3: Cross multiply
    1,862.07x = 2,792.87 × 629.43
  4. Step 4: Simplify right side
    1,862.07x = 1,757,913.02
  5. Step 5: Solve for x
    x = 1,757,913.02/1,862.07
  6. Step 6: Final answer
    x = 944.06

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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.