Home / 1,851.62-2,555.00-1,179.51

Finding the Fourth Proportional to 1,851.62, 2,555.00 and 1,179.51

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Solution

The fourth proportional to 1,851.62, 2,555.00 and 1,179.51 is: 1,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.62 : 2,555.00 = 1,179.51 : x
  2. Step 2: Convert to fraction form
    1,851.62/2,555.00 = 1,179.51/x
  3. Step 3: Cross multiply
    1,851.62x = 2,555.00 × 1,179.51
  4. Step 4: Simplify right side
    1,851.62x = 3,013,642.15
  5. Step 5: Solve for x
    x = 3,013,642.15/1,851.62
  6. Step 6: Final answer
    x = 1,627.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.