Home / 1,810.58-2,721.20-1,227.51

Finding the Fourth Proportional to 1,810.58, 2,721.20 and 1,227.51

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Solution

The fourth proportional to 1,810.58, 2,721.20 and 1,227.51 is: 1,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.58 : 2,721.20 = 1,227.51 : x
  2. Step 2: Convert to fraction form
    1,810.58/2,721.20 = 1,227.51/x
  3. Step 3: Cross multiply
    1,810.58x = 2,721.20 × 1,227.51
  4. Step 4: Simplify right side
    1,810.58x = 3,340,294.07
  5. Step 5: Solve for x
    x = 3,340,294.07/1,810.58
  6. Step 6: Final answer
    x = 1,844.88

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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.