Home / 1,896.17-2,616.60-1,045.39

Finding the Fourth Proportional to 1,896.17, 2,616.60 and 1,045.39

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Solution

The fourth proportional to 1,896.17, 2,616.60 and 1,045.39 is: 1,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.17 : 2,616.60 = 1,045.39 : x
  2. Step 2: Convert to fraction form
    1,896.17/2,616.60 = 1,045.39/x
  3. Step 3: Cross multiply
    1,896.17x = 2,616.60 × 1,045.39
  4. Step 4: Simplify right side
    1,896.17x = 2,735,367.47
  5. Step 5: Solve for x
    x = 2,735,367.47/1,896.17
  6. Step 6: Final answer
    x = 1,442.58

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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.