Home / 2,390.01-3,298.09-1,327.84

Finding the Fourth Proportional to 2,390.01, 3,298.09 and 1,327.84

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Solution

The fourth proportional to 2,390.01, 3,298.09 and 1,327.84 is: 1,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.01 : 3,298.09 = 1,327.84 : x
  2. Step 2: Convert to fraction form
    2,390.01/3,298.09 = 1,327.84/x
  3. Step 3: Cross multiply
    2,390.01x = 3,298.09 × 1,327.84
  4. Step 4: Simplify right side
    2,390.01x = 4,379,335.83
  5. Step 5: Solve for x
    x = 4,379,335.83/2,390.01
  6. Step 6: Final answer
    x = 1,832.35

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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.