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Finding the Fourth Proportional to 4,278.93, 5,904.86 and 2,390.54

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Solution

The fourth proportional to 4,278.93, 5,904.86 and 2,390.54 is: 3,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.93 : 5,904.86 = 2,390.54 : x
  2. Step 2: Convert to fraction form
    4,278.93/5,904.86 = 2,390.54/x
  3. Step 3: Cross multiply
    4,278.93x = 5,904.86 × 2,390.54
  4. Step 4: Simplify right side
    4,278.93x = 14,115,804.02
  5. Step 5: Solve for x
    x = 14,115,804.02/4,278.93
  6. Step 6: Final answer
    x = 3,298.91

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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.