Home / 2,418.82-3,337.95-1,370.89

Finding the Fourth Proportional to 2,418.82, 3,337.95 and 1,370.89

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Solution

The fourth proportional to 2,418.82, 3,337.95 and 1,370.89 is: 1,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.82 : 3,337.95 = 1,370.89 : x
  2. Step 2: Convert to fraction form
    2,418.82/3,337.95 = 1,370.89/x
  3. Step 3: Cross multiply
    2,418.82x = 3,337.95 × 1,370.89
  4. Step 4: Simplify right side
    2,418.82x = 4,575,962.28
  5. Step 5: Solve for x
    x = 4,575,962.28/2,418.82
  6. Step 6: Final answer
    x = 1,891.82

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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.