Home / 2,477.19-3,418.62-1,415.13

Finding the Fourth Proportional to 2,477.19, 3,418.62 and 1,415.13

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Solution

The fourth proportional to 2,477.19, 3,418.62 and 1,415.13 is: 1,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.19 : 3,418.62 = 1,415.13 : x
  2. Step 2: Convert to fraction form
    2,477.19/3,418.62 = 1,415.13/x
  3. Step 3: Cross multiply
    2,477.19x = 3,418.62 × 1,415.13
  4. Step 4: Simplify right side
    2,477.19x = 4,837,791.72
  5. Step 5: Solve for x
    x = 4,837,791.72/2,477.19
  6. Step 6: Final answer
    x = 1,952.94

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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.