Home / 2,442.98-3,369.13-1,918.10

Finding the Fourth Proportional to 2,442.98, 3,369.13 and 1,918.10

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Solution

The fourth proportional to 2,442.98, 3,369.13 and 1,918.10 is: 2,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.98 : 3,369.13 = 1,918.10 : x
  2. Step 2: Convert to fraction form
    2,442.98/3,369.13 = 1,918.10/x
  3. Step 3: Cross multiply
    2,442.98x = 3,369.13 × 1,918.10
  4. Step 4: Simplify right side
    2,442.98x = 6,462,301.82
  5. Step 5: Solve for x
    x = 6,462,301.82/2,442.98
  6. Step 6: Final answer
    x = 2,645.26

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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.