Home / 1,844.24-2,545.12-1,005

Finding the Fourth Proportional to 1,844.24, 2,545.12 and 1,005

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Solution

The fourth proportional to 1,844.24, 2,545.12 and 1,005 is: 1,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.24 : 2,545.12 = 1,005 : x
  2. Step 2: Convert to fraction form
    1,844.24/2,545.12 = 1,005/x
  3. Step 3: Cross multiply
    1,844.24x = 2,545.12 × 1,005
  4. Step 4: Simplify right side
    1,844.24x = 2,557,845.60
  5. Step 5: Solve for x
    x = 2,557,845.60/1,844.24
  6. Step 6: Final answer
    x = 1,386.94

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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.