Home / 2,390.08-3,298.32-1,327.86

Finding the Fourth Proportional to 2,390.08, 3,298.32 and 1,327.86

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Solution

The fourth proportional to 2,390.08, 3,298.32 and 1,327.86 is: 1,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.08 : 3,298.32 = 1,327.86 : x
  2. Step 2: Convert to fraction form
    2,390.08/3,298.32 = 1,327.86/x
  3. Step 3: Cross multiply
    2,390.08x = 3,298.32 × 1,327.86
  4. Step 4: Simplify right side
    2,390.08x = 4,379,684.06
  5. Step 5: Solve for x
    x = 4,379,684.06/2,390.08
  6. Step 6: Final answer
    x = 1,832.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.