Home / 2,398.58-3,305.61-1,734.28

Finding the Fourth Proportional to 2,398.58, 3,305.61 and 1,734.28

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Solution

The fourth proportional to 2,398.58, 3,305.61 and 1,734.28 is: 2,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.58 : 3,305.61 = 1,734.28 : x
  2. Step 2: Convert to fraction form
    2,398.58/3,305.61 = 1,734.28/x
  3. Step 3: Cross multiply
    2,398.58x = 3,305.61 × 1,734.28
  4. Step 4: Simplify right side
    2,398.58x = 5,732,845.05
  5. Step 5: Solve for x
    x = 5,732,845.05/2,398.58
  6. Step 6: Final answer
    x = 2,390.10

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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.