Home / 1,840.36-2,537.76-1,281.44

Finding the Fourth Proportional to 1,840.36, 2,537.76 and 1,281.44

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Solution

The fourth proportional to 1,840.36, 2,537.76 and 1,281.44 is: 1,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.36 : 2,537.76 = 1,281.44 : x
  2. Step 2: Convert to fraction form
    1,840.36/2,537.76 = 1,281.44/x
  3. Step 3: Cross multiply
    1,840.36x = 2,537.76 × 1,281.44
  4. Step 4: Simplify right side
    1,840.36x = 3,251,987.17
  5. Step 5: Solve for x
    x = 3,251,987.17/1,840.36
  6. Step 6: Final answer
    x = 1,767.04

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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.